Changing Trade Patterns and `Revealed` Selection
Transcription
Changing Trade Patterns and `Revealed` Selection
Changing Trade Patterns and ‘Revealed’ Selection This version: March 28, 2015 Massimo Del Gatto1 ‘G.d’Annunzio’ University and CRENoS Abstract We estimate potential selection effects, expressed in terms of long-run changes in country-sector average marginal costs (i.e. cost competitiveness), associated with the recent trends international trade. Estimation is based on bilateral trade flows (hence ‘trade-revealed’) and does not require firm-level data. Marginal costs are predicted to decrease relatively more in high-income countries than in low-to-middle-income countries, due to increasing competition from the latter. This aligns well with the logic of the selection-effect: firm selection is more intense where competition is fiercer and marginal costs are higher. Keywords: Selection effect, heterogeneous firms, gravity equation, trade costs. J.E.L. Classification: F12 F14 F15 O47 1 Introduction A significant reshuffle of international trade flows is currently underway. At the aggregate level, the share of world trade involving developing and emerging countries as exporters increased between 1980 and 2011 from 34% to 47%; for importers the change was from 29% to 42% (WTO, 2013). At the firm level, considerable resource and market share reallocation from less to more productive firms is documented in a number of papers (beginning with Pavcnik, 2002). Compared to traditional trade theories, new trade models with heterogeneous firms (Bernard et al., 2003; Melitz, 2003; Melitz and Ottaviano, 2008; Chaney, 2008) feature an increased ability to explain these trends by ‘slicing up’ the within-country effects of international competition: increasing competition fosters the survival of those firms which are able to produce at lower marginal costs, at the expense of the less productive (i.e. selection effect). This process of firm-selection lowers marginal costs in the aggregate. Through this channel, decreasing barriers to trade with low-cost countries are associated with long run decreases in the marginal costs level above which firms are not able to survive in high-cost countries (i.e. marginal cost-cutoff ) and, as a consequence, in aggregate production costs therein. 1 Contact details: ‘G.d’Annunzio’ University, Department of Economics (DEc); Viale Pindaro, 42; 65127 - PESCARA (ITALY); tel: +39 085 453 7995; fax: +39 06 23311171; [email protected]. 1 In this paper we estimate potential selection effects, expressed in terms of long-run changes in countrysector marginal costs, relative to a benchmark country, associated with the evolution of international trade flows from the 1980s to the early 2000s. Estimation hinges on taking advantage of the observability of international trade patterns to reveal information on cross-country differences in terms of firms’ marginal costs (hence ‘revealed’). The estimating equation is consistent with both traditional trade models `a la Armington and new trade models with heterogeneous firms, while the theoretical explanation differs depending on the reference framework adopted. The analysis requires only country-sector information on bilateral trade flows (internal trade flows included) and is carried out for a sample of 49 countries, covering about 85% of world trade, for which non-missing data are available for all the years of interest. As well as documenting substantial heterogeneity across countries and sectors, results show that marginal costs in high-income countries are predicted to decrease comparatively more than in low-to-middle-income countries, as a consequence of increasing imports from the latter.2 This apparently puzzling result is indeed the essence of the selection effect: firm selection is more intense where competition is fiercer and marginal costs are higher. While observed in trade data, this is not reflected by measures of marginal costs, like the GGDC EU KLEMS producer price index (PPI), recently used (e.g. Corcos et al., 2012) as a proxy for country-sector cost cutoffs. The paper proceeds as follows. Section 2 introduces the approach. Section 3 sketches the theoretical framework and presents the equation to be estimated. Benchmark empirical analysis is presented in Section 4. Several robustness checks are then reported in Section 5. Section 6 concludes. Additionally, in Appendix A and Appendix B we report the analytical derivation of the estimating equation in, respectively, a variable (cfr. Melitz and Ottaviano, 2008; Corcos et al., 2012) and a constant (cfr. Melitz, 2003; Chaney, 2008) markup framework. In Appendix C we consider the extent to which the estimated measure of marginal is correlated with some key indicators suggested by the literature. Appendix D reports detailed country-sector results. 2 Intuition and related literature The basic idea driving this analysis can be illustrated starting with a standard Anderson and Van Wincoop (2003) setup, in which, using Tslh to refer to exports from country l to country h in sector s, the gravity P lh equation is ‘folded’ by dividing through, first, by total exports to country h (i.e. l Ts ) in order to derive country l’s export share in country h-sector s (i.e. Rslh = lh PTs lh ), l Ts and second by the export share of country l in a benchmark country f in the same industry (Rslf ). Taking logs, the expression for the relative share of 2 When values are normalised with respect to the G20 average, large decreases in marginal costs emerge for Brazil, Korea and Sweden, while substantial increases are estimated for the former USSR, Japan, Germany, South Africa, China, and Argentina. Marginal costs increases are also predicted for the US, while cost competitiveness gains are predicted for the Euro area as a whole. In general, large increases in marginal costs are estimated for countries that performed quite well in terms of export shares in the period under examination (e.g. China, Mexico, and India in particular), while gains are estimated for countries, such as Italy and Portugal, in which productivity progressively shrank after the nineties, arguably due to tougher competition associated with importing increasing quantities and varieties at lower prices from low-cost countries, such as China or India. 2 ˜ slh = Rslh /Rslf ) takes the form expenditure in country h-sector s devoted to imports from country l (i.e. R ˜h ˜ slh = βs ln τ˜slh + lnP ln R s (1) ˜ h = Ph /Pf is the importing country’s where relative bilateral trade barriers are denoted by τ˜slh = τslh /τslf and P s s s relative multilateral resistance term.3 ˜ h encapsulates crucial information on the ‘degree of competitiveness’ of the importing country Arguably, P s in sector s. While several papers apply this ‘difference in differences’, or ‘ratios of ratios’, approach (e.g. Romalis, 2007; Head et al., 2010; Fadinger and Fleiss, 2011; Costinot et al., 2012), the relative multilateral resistance in Equation (1) can hardly be assigned a clear-cut interpretation on an aggregate basis, without explicitly modelling the micro-foundations of trade shares. From this perspective, moving to a heterogeneous firms framework is essential. Therefore, we derive Equation (1) in a heterogeneous firm setup in which the multilateral resistance component is expressed in terms of country-sector marginal cost cutoffs (which, under standard model assumptions, equal country-sector average marginal costs), relative to a benchmark country, and, insofar as it is inferred from actual trade flows, is referred to as ‘Revealed Marginal Cost’ (RMC). The interpretation of the obtained RMC varies only slightly depending on whether markups are modelled as variable (cfr. Melitz and Ottaviano, 2008; Corcos et al., 2012) or constant (cfr. Melitz, 2003; Chaney, 2008), the estimating equation being the same. Other papers have used a ‘trade-revealing approach’ to infer measures of productivity. In particular, Fadinger and Fleiss (2011) rely on a monopolistic competition framework with CES preferences, while Finicelli et al. (2009) use a probabilistic Ricardian framework following Eaton and Kortum (2002). Waugh (2009) adopts a variant of the latter, including traded intermediate goods and non-traded final goods. Other contributions include Hsieh and Ossa (2011), Levchenko and Zhang (2011), Shikher (2011), and Chor (2010). Our work adds to this literature in two respects. First, with the exception of Levchenko and Zhang (2011), the above studies take a cross-sectional perspective, while our focus is on changes (in marginal costs). Second, the firm heterogeneity hypothesis allows us to distinguish between ‘exogenous’ and ‘endogenous’ cost cutoffs. This is a crucial feature. While exogenous cutoffs are ‘first nature’ time invariant measures, endogenous cutoffs and trade flows are endogenous to the model, being the long-run outcome of a process of firm selection, driven by the degree of ‘accessibility’ (i.e. trade costs) and market size, as well as by other factors, such as entry costs. As such, cost cutoffs, and thus our RMC measure, account for country-sector differences after the firm-selection process. Previous literature is mainly concerned with the former, considering them the main 3 To obtain Equation (1), start with a standard gravity equation (cfr. equation (5) in Anderson and Van Wincoop, 1−σ h P (τslh /Ph Ys 1−σs , in which τ lh denotes trade costs from l to h, Πl = s) 2004) Tslh = (Ysl Ysh /Ysw )(τslh /Πls Ph and s) s s h Ysw lh l 1−σ l P (τ /Π ) Y s s s Ph are the two multilateral resistance terms and the elasticity of substitution σs comes from the constant s = l Yw s elasticity of substitution (CES) demand system. Aggregate output in countries l and h is denoted by Ysl and Ysh , respectively, P lh T lh lh P s lh while Ysw denotes world output. Since Ysh equals the total imports of h (i.e. l Ts ) in equilibrium, the ratio Rs = T l 1−σs , so that, dividing through by Rlf and taking logs yields (1), with β = 1 − σ . amounts to (Ysl /Ysw )(τslh /Πls Ph s s s s) 3 s driver of international specialisation. In contrast, we focus on the latter. A more structural approach is followed by Bernard et al. (2003) and Corcos et al. (2012), who simulate the cost-cutoff changes associated with exogenous shocks to trade costs in specific theoretical contexts (oligopolistic and monopolistic markets, respectively). In particular, the latter calibrate the model on the long run equilibrium cost cutoff expression. In doing so, they rely on observed bilateral trade flows to estimate the trade elasticity parameters and on PPIs to proxy for actual country-sector cost cutoffs. The latter choice is a critical step in such an exercise. Indeed, the only country-sector measure compatible with the theoretical implications of new trade models with heterogeneous firms is the GGDC - EU KLEMS PPI: a cross-section of country-sector estimates for the year 1997.4 The measurement error associated with PPIs is likely to be quite high and, in particular, higher than the error associated with trade flows. Moreover, trade flows and PPIs are likely to be observed at different stages of the adjustment process. In fact, while trade adjustment takes place along both the intensive (i.e. quantities traded by a given the number of firms) and extensive margins (i.e. number of trading firms), the equilibrium cost cutoffs are the result of adjustments along the extensive margin only. This clashes with the long run specification of the structural equation on which the calibration-simulation exercise is based. Since it is fairly reasonable to consider the intensive adjustment as more reactive (compared to the selection effect), to changes in the other structural variables (e.g. trade costs, market size, and entry costs) and, in addition, data on international trade flows are much easier to obtain than data on cost cutoffs, relying on the former to retrieve information on the latter offers a chance to estimate model-based long run effects. It is worth noting that our analysis is not concerned with welfare: our object of interest are the changes in country-industry marginal costs induced by the process of firm selection. However, as discussed in Melitz and Ottaviano (2008) and Corcos et al. (2012), consumer surplus is a function of the marginal cost cutoff: a lower cutoff implies a greater number of varieties, a lower average price, and a higher average quantity. These effects jointly imply a reduction in the deadweight loss due to imperfect competition.5 As a consequence, our work is also related to a recent vein of literature that have revitalized the debate concerning the welfare gains from trade associated with the globalisation process. In particular, Costinot and Rodr´ıguez-Clare (2014) and Ottaviano (2014) have recently shown that cost cutoffs are not needed, in model calibration, if the ultimate scope consists of simulating welfare gains from trade: when expressed in terms of real consumption, gains from trade turn out to be a very simple function of the domestic share of expenditures and the trade elasticity parameter.6 4 The GGDC - EU KLEMS PPI is used also by Costinot et al. (2012) to study the impact of endogenous (‘observed’, in their terminology) productivity differences on patterns of trade across countries and sectors in a Ricardian framework. In a robustness section, Costinot et al. (2012) also adopt a ‘trade-revealing’ in which cross-country productivity differences are recovered as exporter-industry fixed effects in a gravity equation estimation. It is worth noting that their exporter-industry fixed effects, applied to our derivation, would reveal exogenous (‘fundamental’ in their terminology), and not endogenous, productivity (see Sections below for the difference between exogenous and endogenous productivity/cost competitiveness.). 5 The welfare properties of the Melitz and Ottaviano (2008) model are extensively discussed in Nocco et al. (2014). Relative to a hypothetical unconstrained optimum, they show that equilibrium firm selection is too weak, average firm size is too small, low-cost firms are too small, and high-cost firms are too large. An insightful discussion of the relationship between productivity and welfare is in Section 6.2 of Costinot and Rodr´ıguez-Clare (2014). 6 As shown by Arkolakis et al. (2012a), irrespective of the usage of an Armington-type model or a new trade model, aggregate welfare gains from trade always depend on a few elements: relative expenditure on imported (rather than domestic) goods, the elasticity of imports with respect to variable trade costs, and the elasticity of markups with respect to firm productivity, if the framework is one of variable markups (Arkolakis et al., 2012b). Costinot and Rodr´ıguez-Clare (2014) take advantage 4 Although the unavailability of adequate cost cutoff measures is not an issue in that case, the reliability of the simulated gains still relies on the quality of the gravity equation estimation through which the trade elasticity parameters (the only parameters needed for simulation) are obtained. As recognised and discussed by Costinot and Rodr´ıguez-Clare (2014), notwithstanding the tight connection between data and theory that characterises recent literature on gravity model estimation, the current state of trade equation estimation remains far from ideal. In particular, most of the concern arises about the fact that model calibration should allow for cross-sector and cross-time variability in the trade elasticity parameter. In our analysis, neither trade elasticities nor cost cutoffs are needed ex-ante. They are instead obtained by estimating a single equation, as exporter-importer and importer fixed-effects, respectively. Moreover, since the estimating equation is obtained by taking the ‘ratios of ratios’ of the predicted gravity equation, which eliminates the theoretical discrepancies associated with different model structures, the resulting estimating equation is consistent with both traditional Armington-type models (e.g. Equation (1)) and new trade models with heterogeneous firms. Within the latter, the estimated equation is also robust to switching from a variable to a constant markup framework with CES preferences. Although this weakens the need for model validation (see however Section 2.4 in Corcos et al. (2012) for a validation analysis of their variable markup model, which ours closely resembles), the fixed-effects estimation gives the obtained changes in cost competitiveness more of a ‘catch-all’ flavour than those resulting from more thorough structural estimation exercises. This represents an important drawback but is intrinsic to the idea of ‘trade-revealed’ analysis. 3 Theoretical setup The relative multilateral resistance term in Equation (1) can be expressed in terms of real marginal costs within a standard heterogenous firms setup. This expression, which represents the basis of our empirical analysis, varies only slightly depending on whether the framework is one of variable or constant markups. The analytical derivation of the expression in both cases is reported in Appendix A and Appendix B, respectively; here we focus on its basic elements and interpretation. The reference framework features S monopolistically competitive sectors (indexed s = 1, . . . , S), active in M countries (indexed l = 1, . . . , h, . . . , M ). Consumers maximise a ‘two-tiered’ utility function. In the first step they allocate a given fraction of their income to goods produced in each sector; this share is then allocated among the different varieties in sector s. The marginal cost faced by a generic firm is mls (c) = ωsl c, where ωsl denotes the unit input cost faced by firms active in country l-sector s. The firm-specific unit input requirement c (i.e. inverse ‘total factor h l iγs h iγs ms (c) c productivity’) identifies the firm.7 Marginal costs are Pareto distributed: Gls (m) = max(m) = max(c) . l l s s of these theoretical findings to calibrate different classes of models and obtain the simulated gains from trade associated with counterfactual scenarios (i.e. moving to autarky or tariff reduction) in different theoretical contexts. See also Ottaviano (2014) for a discussion of this approach and Balistrieri et al. (2011) for a disentangling between the Armington and Melitz models with regard to the welfare consequences of certain thought experiments. βx,s Q l l 7 One might imagine ω l as equal to B and βx,s referring to input x’s cost and share (in country , with wx,s s x∈X wx,s /βx,s P l, sector s), respectively, (with β = 1) and B denoting the bundle of parameters associated with the Cobb-Douglas x,s x∈X 5 l max(m)ls is referred to as the ‘exogenous marginal cost cutoff’ in country l-sector s. The support [0, max (m)s ] varies across sectors and countries.8 γs is the sector-specific shape parameter. Firms independently maximise the profits earned in different destination countries. Exporting firms incur a per-unit trade cost, encompassing quantity-related trade barriers. For each unit delivered from country l to country h, τslh > 1 units have to be shipped. In the CES constant markup case (see Appendix B), exporting firms also bear a fixed export cost Fslh ≡ ωsh ξslh fshh , with ξslh > 1. A firm, wherever it is located, can serve market h provided that its cost including delivery does not exceed the marginal cost, inclusive of trade frictions, faced by a producer in country h-sector s which is just indifferent between serving its local market or not. Let mhh s denote the level of such ‘domestic cutoff cost’ (in country h-industry s). Unlike max(m)ls , the cutoff level mhh is endogenously determined by the model and varies over time. s Because our work focuses on such changes, we require a useful expression for recovering definitive information on mhh s from observable data. To this end, we use, as in Equation (1), the relative export share of country l in country h (i.e. country h’s relative share of total expenditure on imported goods from country l). Letting ρlh s ∈ (0, 1] measure trade openness between country l and country h in sector s, and adopting a tilde to indicate lh lf that a variable is expressed in relative terms with respect to the benchmark country f (i.e. ρ˜lh s = ρs /ρs , ˜ slh = Rslh /Rslf ), this yields: R where P l lh h ˜ slh ≡ ln PTs ln R = ln ρ˜lh s + ln RM Cs lh T l s (2) Tslh ≡ Ysh is the amount of national income that residents in country h devote to sector s. The term ln RM Csh is analogous to the multilateral resistance term in Equation (1) and is still expressed in relative terms with respect to the benchmark country f . As shown in Appendixes A and B, the relation in Equation (2) can be obtained within a heterogeneous firms framework irrespective of whether variable or constant markups are assumed. However, the interpretation of its two components varies slightly as follows. In a variable markup setup, we have lh −γs ρlh s ≡ (τs ) ˜ with m ¯ hh s = m ¯ hh s m ¯ hf s = mhh s mhf s and RM Csh = m ¯˜ hh s P˜sh γs +2 , (3) denoting average 9 marginal costs in country h-sector s, and P˜sh = Psh /Psf , with Psh denoting the exact price index in country h (see Appendix A). production function. 8 Underlying (probabilistic) comparative advantages, encompassing both input costs and total factor productivity, can be easily expressed in terms of marginal costs as f max(m)h s /max(m)s f max(m)h j /max(m)j . While Costinot et al. (2012) build on this intuition to test for the role of comparative advantages in shaping the geography of trade patterns, Chaney (2008) assumes an underlying unit input requirement distribution G(c) = cγs , with support [0, max(c)s = 1], varying across sectors but not across countries. In this case, the exogenous marginal cost max(m)ls reduces to ωsl and only comparative cost advantages exist across countries. 9 Under the hypothesis that firms’ marginal costs are Pareto distributed, average marginal costs mhh are a direct function of s s the marginal cost cutoff: mhh = γ γ+1 mhh s s . Being γs sector-specific (and not country-specific), this relationship simplifies to s ˜ m ¯ hh ˜ hh s =m s when relativized respect to a benchmark country. 6 In a constant markup setup, instead, we have γs +1−s 1−s ρlh ˜s−γs ξ˜s s ≡τ h i1−s γs ˜h ˜¯ hh and RM Csh = (m , s ) /(Ps ) (4) where the RM C component differs from that in Equation (3) due to the presence of the elasticity of substitution s (which comes from the CES utility function) and the fact that the trade openness parameter encompasses both variable and fixed trade costs (see Appendix B). Apart from the above difference, the RMC growth rate is in both cases given by: ˜ lh − ∆˜ ∆RM Csh = ∆R ρlh s s , (5) where ∆V refers to the log-difference of the generic variable V . Equation (5) represents the basis of our empirical analysis. It suggests that changes in country h’s RMC can be traced back to the portion of the variation in h’s share of expenditure on imports from l that is not counterbalanced by the variation in bilateral trade costs. Given total expenditure Y˜sh , an increase in imports from country l (T˜slh ) entails long run increases in marginal costs in country h, when it is accompanied by a less than proportional increase in the degree of trade openness with country l (e ρlh s ). Assume, for example, an increase in trade openness between Mexico and the United States. The effect of this on average marginal costs in the US depends on the effect on the share of US expenditure on imports from Mexico. An increase ex,U S ˜ sM ex,U S < ∆˜ in the latter, such that ∆R ρM , leads to decreasing long run marginal costs in the US, viss a-vis Mexico. In fact, when trade barriers shrink or market size (i.e. total expenditures) grows in country h, ` fiercer competition in product markets reduces h’s marginal cost cutoff and makes it harder, for firms located anywhere, to target consumers in h. This effect sets into motion a process of firm selection in country h. Less efficient firms are forced to shut down and their market shares are reallocated in favour of more productive firms, thereby reducing average marginal costs in h.10 In the next section, we exploit the simplicity of the relationships in Equations (2) and (5) to retrieve information on long-run changes in the equilibrium marginal costs associated with observed changes in the share of expenditure on imported goods. In this exercise, the exponents in the RM C term (i.e. γs + 2 or 1 − s , depending on the model) entail merely a sectoral re-scaling. 4 Benchmark Analysis We use different specifications to estimate Equation (2) and quantify the growth rate in Equation (5). In our benchmark analysis, we estimate, sector by sector and separately for the periods (1981-1990) and 10 In turn, the reduction in country h’s share of expenditure on country l’s goods will foster firm selection in country l. 7 (1997-2006), the following log-linear version of Equation (2): lh ˜ s,t ln R = δ˜slh + |{z} ln ρ˜lh s δ˜sh |{z} + Yt + s,t , (6) ln RM Csh in which t is the year index (with t = 1980, . . . , 1990 in the earlier period and t = 1997, . . . , 2006 in the latter period) and Yt is a year dummy. δ˜slh = δslh − δslf is an exporter-importer fixed effect (with δslh 6= δshl - i.e. trade costs are not symmetric), meant to capture the relative trade openness from l to h (˜ ρlh s in Equation (2)), δ˜sh = δsh − δsf is an importer fixed effect capturing country h’s RMC in a given sector-period, and s,t is an error term capturing measurement error.11 Data on bilateral flows are drawn from the TradeProd database maintained by Centre d’Etudes Prospectives et d’Informations Internationales (CEPII). Unlike other databases (e.g. NBER-UN), TradeProd reports detailed information on internal trade flows from 1980-2006, i.e. just before the trade collapse associated with the 2007 economic crisis. This enables us to properly measure Ysh using country h’s total imports in sector s, inclusive of internal trade flows Tshh . Data are provided in nominal dollars at the three-digit level of the ISIC Rev.2 classification. We truncate the data at $10,000 per annual bilateral flow.12 We set the United Kingdom as the reference country, as it has the most observations as an importer-exporter. To obtain comparable estimates, the sample is adjusted to ensure the same number of observations in each period. In particular, we limit the analysis to the country pairs for which information is available for every year in both periods.13 After data cleaning, the estimation is carried out on a sample of 49 countries, covering about 85% of world trade. For expositional purposes, we concentrate on the G20 countries when reporting the results. The output of the analysis consists of detailed country-sector average RMCs and trade openness indicators for the periods 1981-1990 and 1997-2006 for all countries analysed. Using sectoral import shares as weights, we h \ then obtain the average growth rates of the estimated RMC (∆RM C s ) and trade openness (∆ρˆ˜lh s ) reported in Table 2 (see Specification 1); all values are normalised by setting the G20 sectoral average as the mean (values are expressed in relative terms with respect to the G20 average, which is set to zero). While the full set of country-sector RMC growth rates and rankings is reported in Appendix D (see Tables 6 and 7), it is worth noting that the importer fixed effect, accounting for the RMC term, proved significant in almost all the sectoral regressions. The very few country-sector combinations in which it was insignificant have been omitted 11 Compared to equation (18) in Costinot et al. (2012), our derivation features a key difference: here the ‘revealing term’ is the importer fixed effect. 12 This has no notable effect on the results and avoids potential distortions due to errors in data units and implausibly small trade values. 13 This is a conservative choice meant to maintain manageable computational intensity and ensure stability of the results, by allowing the same set of countries to be observed in every year under consideration. We also experimented with a balanced (across countries, sectors and years) panel including all the zero observations, which were replaced, as is standard, by negligible values. This massively increases in computational time and also makes the country rankings more sensitive to the robustness controls. However, it does not produce notable differences in our main results. The coefficient on H*grrate imp diff in Table 4 remains, for instance, significative and negative (−0.4888). Instead of substituting zeros with small values, we also applied the PPML estimator suggested by Silva and Tenreyro (2006). Again, the exponential increase in computational intensity, which sometimes rendered it impossible to obtain the estimates, was not compensated for with appreciable differences in final results. 8 from the computation of the values reported in Table 2.14 The largest decreases in RMC are estimated for Brazil and Korea, followed by Sweden, and interestingly, Portugal and Italy. Large potential increases in RMC are estimated for the former USSR, Japan, Germany, South Africa, China, and Argentina. The US RMC suggests positive predicted growth; this is smaller than for China, although the estimated reduction in trade barriers is higher in the latter. Overall, RMCs are predicted to fall in the Euro area by 10.8%, notwithstanding a slight decrease (−3.7%) in trade openness. A notable result in Table 2 is that countries that performed well in terms of export shares in the period under examination (e.g. China, Mexico, and India) are characterised by large increases in RMC. This is not surprising, as it is a consequence of the selection process: when competition becomes fiercer, firm selection is less intense if average costs are already relatively low. This is the essence of firm selection. By the same token, the relatively large drops in RMC obtained for countries such as Italy and Portugal, usually thought of as having seen shrinking post-1990s productivity, must be understood in terms of long-run firm selection associated to increasing competition from low-cost countries, such as China and India.15 To further elaborate on this, we classify trade flows according to the importing and exporting countries’ income. Based on the World Bank income classes16 , we compute, for each country, growth rates of imports from two groups of countries, low-to-middle-income and high-income, which are then used as dependent variables in Table 4. In column (1), the estimated RMC is regressed on a dummy variable (H), taking 1 if the importing country belongs to the high-income group and 0 otherwise, as well as on the country’s average total imports in period 1 (total imp). In column (2), we control for the income class of the country of origin by disaggregating between growth of imports from countries in the same income class (grrate imp same), growth of imports from countries in the other income class (grrate imp diff ), and growth of domestic trade (grrate domestic). Finally interaction terms are included to control for high-income countries increasing their imports from low-to-middle-income (H*grrate imp diff ) and high-income (H*grrate imp same) countries, as well as for high-income countries increasing their share of domestic trade (H*grrate domestic). The first coefficient of interest is that on the H dummy, according to which high-income countries are predicted to gain the most, in terms of RMC reduction. Examining the coefficients on the interaction terms, the negative and significant sign on the H*grrate imp diff coefficient captures the positive role that imports from low-to-middle-income countries play in high-income countries, negatively affecting the estimated RMC. This effect is particularly important for understanding the large decrease in RMC reported for countries such as Italy and Portugal. Imports from other high-income countries (i.e. H*grrate imp same) exert opposite effects on the estimated RMC, probably because the delivery costs in these cases are not low enough to generate 14 Detailed regression output from the sectoral estimation of Equation (6) is available upon request. reference model points to a new long-run equilibrium in which the increased import competition associated with the availability of larger quantities at lower prices forces firms with marginal costs above mhh s to leave the market, thereby reducing aggregate marginal costs and increasing the overall competitiveness of the country. 16 According to the World Bank classification, the high-income group in our sample of countries consists of Canada, the United Kingdom, Spain, Norway, Chile, Finland, Ireland, Austria, the United States, Israel, South Korea, Singapore, Belgium, the Netherlands, Taiwan, Saudi Arabia, New Zealand, Japan, Denmark, Australia, Sweden, Greece, Hong Kong, Poland, France, Italy, Czech Republic, Portugal, Germany, and Switzerland. Countries in the low-to-middle-income group include Iran, India, Argentina, Colombia, Malaysia, Mexico, Nigeria, Hungary, Romania, Egypt, the Philippines, Brazil, China, Turkey, Thailand, Indonesia, Venezuela, and South Africa. 15 The 9 sufficient competitive pressure to trigger the selection effect. Finally, domestic market growth is insignificant both when considered alone (i.e. variable grrate domestic) and when interacted with the indicator for highincome countries (i.e. H*grrate domestic). ). Overall, these results corroborate the idea that the selection effect is mostly driven by increasing competition from low-to-middle-income countries rather than by competition associated with increasing domestic trade flows or imports from other high-income countries. As shown in Appendix C, the estimated RMCs listed in Table 2 are not correlated with the GGDC - EU KLEMS PPI, which is used (e.g. Corcos et al., 2012) as a proxy for country-sector cost cutoffs. This suggests caution when relating PPP indexes to contemporaneous values of cost cutoff determinants in order to capture the selection effect of international trade. 5 Robustness To check the robustness of our results, we estimate alternative specifications of the benchmark equation and change the reference data and period. In Equation (6), we rely on importer-exporter fixed effects to capture the relative trade openness from l to h (i.e. the term ρ˜lh s in Equation (2)). Since these are likely to include other unmeasured and invariant factors affecting bilateral trade, we estimate an alternative specification in which the exporter-importer fixed effect is replaced by bilateral geographical distance and other controls, such as sharing common border and language. In this case, the estimated parameter of distance reflects the distance elasticity of relative import shares. On the one hand, this specification should arguably reduce the risk of labelling other types of effects ˜hl as ‘trade costs’; on the other hand, it requires imposing reciprocal trade costs (˜ ρlh s ). The estimated s = ρ equation (Specification 2) is in this case: ˜ lh = ln R s,t δ˜sh |{z} ln RM Csh + ˜ lh βslh X | {z s} + Yt + s,t , (7) ln ρ˜lh ˜hl s =ln ρ s ˜ slh includes bilateral distance17 , a common border dummy, a common language dummy, and dummies where X controlling for belonging to the Euro Area, NAFTA, and the EU-15. The estimated RMC and trade openness growth rates are reported in Table 2, while the regression output with the income country-groups is presented in Table 4 (see Specification 2). Results are broadly consistent with those presented in the previous section, with a notable difference arising for the domestic trade variable, which has an effect similar to that of imports from countries in the same income group. As a further control, we recognise that Specifications 1 and 2 might be influenced by the multiple counting associated with the emergence of global value chains. Indeed, while countries’ exports increasingly rely on intermediate imports, traditional trade metrics record gross flows of goods each and every time they cross 17 Bilateral geodesic distances between the most populous cities of country l and country h are used, with inter-city distances calculated using the great circle formula and weighted by the share of the city in the overall population. Source: CEPII - GeoDist database. 10 borders. This results in multiple counting, which is likely to inflate Rslh for specific partner countries l. To control for this, we use cross-sectional information on ‘domestic value added embodied in gross exports’, made available by the OECD-WTO Trade in Value Added (TiVA) database for 40 countries and 18 industries. Trade flows are expressed in USD million and classified based on ISIC Rev.3.18 The estimating equation (Specification 3) is: ˜ slh = ln R δ˜sh |{z} + ln RM Csh δ˜slh |{z} + s . (8) ln ρ˜lh ˜hl s =ln ρ s Where ρ˜hl s is again an exporter-importer fixed effect. The advantage of Equation (8) over Specifications 1 and 2 is that it protects the estimates from being exaggerated by ‘multiple counting’ by allocating valueadded figures to the source industries and countries. However, this does not come without costs. First, the panel dimension is lost and we must estimate Equation (8) separately for 1995 and 2005, without year effects. Second, because the information is cross-sectional, we have to set ρ˜lh ˜hl s = ρ s , as in Specification 2. Third, the TiVA dataset does not include figures on internal trade (i.e. domestic value added embodied in country h’s gross internal trade flows). Results, reported in column (5) of Table 2 (see Specification 3), broadly confirm our benchmark results, though interesting differences emerge. The range is smaller, and the formerly huge RMC decrease enjoyed by Brazil is considerably reduced. In addition, the competitiveness losses estimated for China and Germany shrink, while RMC decreases are now predicted for Japan and Argentina. The regression output presented in Table 4 is in line with the benchmark analysis, with the notable difference that the coefficient of H is no longer significative. These changes confirm the importance of controlling for multiple counting, although the differences are likely to be driven by the absence of domestic trade. Finally, to check to what extent the benchmark results depend on time splitting, we consider two alternative periods. In the first one (Specification 4), we use years 1985 − 1989 and 1995 − 1999 as the early and the late periods. The latter period lies between the implementation of the EU Single Market Program and China’s WTO accession. In the second check (Specification 5), we again use shorter periods than under the benchmark approach and now center the periods in 1983 and 2003 (i.e. 1981-1985 and 2001-2005), thus grouping Euro adoption and Chinese WTO membership in the second period and remaining somewhat removed from both the implementation of the EU Single Market Program and the economic crisis. The estimated growth rates of RMC and trade openness are reported in Table 3, while the regression output with the income countrygroups is provided in Table 4. Income regression results are robust to these changes and confirm the strength of the selection effect associated with increasing import competition from low-to-middle-income countries. Some differences can be noted, however, in terms of RMC growth rates. Interestingly, comparing the last rows of Tables 2 and 3, one might be tempted to attribute the RMC increase in Specification 5 to the trade (creation and diversion) effects of the first phase of Euro adoption, in which the appreciation of the Euro likely 18 The TiVA database (http://oe.cd/tiva) is a joint OECD-WTO initiative. Values are derived from OECD Input Output Tables linked together in terms of goods by industry using the Bilateral Trade Database. The name of the variable used is ‘EXGR DVAIND’. 11 weakened import competition from more competitive countries. This is supported by the smaller coefficient on the H*grrate imp diff variable in Table 4. 6 Conclusions We used data on actual trade flows to estimate theory-based changes in the degree of cost competitiveness, expressed in terms of long-run growth in country-sector average marginal costs. The key variables of the estimating equation countries’ expenditure shares on imports and the degree of trade openness. The empirical analysis, which required only data on country-sector bilateral trade flows (including internal trade flows), was carried out using CEPII-TradeProd data for 49 countries, accounting for about 85% of world trade, to estimate a modified gravity equation in which the country-sector specific RMCs were identified through fixed effects. Bearing in mind all the limitations of the fixed-effect specification, one robust result arising from this analysis is that marginal costs are predicted to decrease relatively more in high-income countries than in low-to-middle-income countries, due to increasing competition from the latter group. This is in line with the logic of the selection effect: firm selection is more intense where competition is fiercer and marginal costs are higher. 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(2009). ‘International trade and income differences’, Staff Report 435, Federal Reserve Bank of Minneapolis. [31] World Trade Organization (2013). World Trade Report 2013: Factors shaping the future of world trade, Geneva: WTO. 15 16 Tables 17 Food products Beverages Tobacco Textiles Apparel Leather products Footwear Wood products except furniture Non-metallic furniture Paper products Printing and publishing Industrial chemicals Other chemicals Petroleum refineries Rubber products Plastic products Pottery china earthenware Glass products Other non-metal min. prod. Iron and steel Non-ferrous metals Fabricated metal products Machinery except electrical Electric machinery Transport equipment Prof. and scient. equipment SECTOR SECTOR ABBREV. FD BV TB TX AP LT FT WO FU PA PP IC OC PE RU PL PT GL NM ST NF MP MA EM TR PS 13790 7120 1960 13650 9890 8600 6070 8420 6680 9790 9090 13570 11730 5180 9880 9110 6010 8650 8440 9640 9790 12560 13730 12850 10800 11580 # obs % of tot. trade (1980-1990) 92.0 82.2 82.6 94.2 96.1 88.4 95.6 97.1 92.2 95.4 86.4 90.7 88.0 71.8 91.8 93.1 79.6 92.6 93.0 90.6 88.9 93.3 92.2 94.7 94.5 90.5 Table 1: Data description. % of tot. trade (1997-2006) 95.1 86.8 79.3 93.8 96.9 82.1 86.4 95.8 70.7 94.3 88.3 90.6 95.5 65.0 86.5 92.1 76.2 88.7 88.4 79.4 89.5 94.8 95.5 92.9 97.2 93.6 18 COUNTRY Brazil Korea Portugal Sweden Italy Denmark Ireland Indonesia Turkey Finland UK Netherlands Belgium Greece France India Austria Mexico Spain USA Australia Canada Argentina China South Africa Germany Japan Fm USSR Euro Area Specification 1 (benchmark) h \ CODE ∆RM Cs ∆ρˆ ˜lh s BRA -2.456 0.128 KOR -1.069 0.499 PRT -1.045 0.723 SWE -0.790 0.370 ITA -0.660 0.019 DNK -0.554 0.091 IRL -0.420 0.132 IND -0.382 -0.070 TUR -0.321 0.628 FIN -0.267 0.036 GBR -0.199 0.024 NLD -0.084 -0.137 BEL -0.008 -0.084 GRC 0.032 0.346 FRA 0.140 -0.422 IND 0.150 -0.130 AUT 0.192 -0.247 MEX 0.202 -0.290 ESP 0.229 0.001 USA 0.262 -0.124 AUS 0.400 -0.064 CAN 0.562 -0.130 ARG 0.614 -0.052 CHN 0.663 0.053 ZAF 0.673 -0.189 DEU 0.701 -0.778 JPN 0.905 -0.433 SUN 2.872 -0.362 EUR -0.108 -0.037 Specification 2 h ˆ \ COUNTRY ∆RM Cs ∆ρˆ ˜lh ˜hl s ≡ ∆ρ s Brazil -2.300 -0.028 Italy -0.649 0.008 Korea -0.528 -0.042 Denmark -0.515 0.052 Sweden -0.469 0.050 Ireland -0.407 0.119 Portugal -0.398 0.076 Indonesia -0.369 -0.083 France -0.295 0.013 Finland -0.281 0.050 Netherlands -0.240 0.019 UK -0.229 0.054 Belgium -0.125 0.033 Austria -0.080 0.026 Mexico -0.075 -0.012 Germany -0.067 -0.009 India 0.047 -0.027 USA 0.129 0.009 Spain 0.190 0.039 Greece 0.311 0.067 Australia 0.329 0.007 Turkey 0.372 -0.065 Canada 0.434 -0.001 South Africa 0.481 0.003 Japan 0.535 -0.063 Argentina 0.611 -0.049 China 0.786 -0.069 Fm USSR 2.534 -0.023 Euro Area -0.186 0.040 Specification 3 h ˆ \ COUNTRY ∆RM Cs ∆ρˆ ˜lh ˜hl s ≡ ∆ρ s Brazil -0.806 0.042 Indonesia -0.684 0.105 Portugal -0.306 -0.376 Argentina -0.283 0.056 Japan -0.253 0.128 Italy -0.187 0.054 Netherlands -0.172 -0.028 Korea -0.168 -0.171 Denmark -0.163 -0.044 Ireland -0.043 -0.533 France 0.010 -0.020 Greece 0.011 -0.044 Belgium 0.020 0.310 UK 0.029 -0.003 Germany 0.034 0.130 China 0.045 0.044 Finland 0.050 0.167 USA 0.143 0.007 India 0.148 0.027 Spain 0.154 0.053 Sweden 0.173 0.073 Australia 0.266 0.122 South Africa 0.282 -0.222 Canada 0.302 0.185 Austria 0.315 -0.258 Mexico 0.325 -0.126 Turkey 0.411 -0.036 Fm USSR 1.117 0.195 Euro Area -0.010 -0.050 Table 2: Growth Rates of RMC and Trade Openness from the Early Period (1981-1990) to the Late Period (1997-2006). 19 COUNTRY Brazil Korea Portugal Sweden Italy Denmark Ireland Indonesia Turkey Finland UK Netherlands Belgium Greece France India Austria Mexico Spain USA Australia Canada Argentina China South Africa Germany Japan Fm USSR Euro Area CODE BRA KOR PRT SWE ITA DNK IRL IND TUR FIN GBR NLD BEL GRC FRA IND AUT MEX ESP USA AUS CAN ARG CHN ZAF DEU JPN SUN EUR Specification 1 (benchmark) h \ ∆RM Cs ∆ρˆ ˜lh s -2.456 0.128 -1.069 0.499 -1.045 0.723 -0.790 0.370 -0.660 0.019 -0.554 0.091 -0.420 0.132 -0.382 -0.070 -0.321 0.628 -0.267 0.036 -0.199 0.024 -0.084 -0.137 -0.008 -0.084 0.032 0.346 0.140 -0.422 0.150 -0.130 0.192 -0.247 0.202 -0.290 0.229 0.001 0.262 -0.124 0.400 -0.064 0.562 -0.130 0.614 -0.052 0.663 0.053 0.673 -0.189 0.701 -0.778 0.905 -0.433 2.872 -0.362 -0.108 -0.037 Specification 4 (85-89 vs 95-99) h \ ∆RM Cs ∆ρˆ ˜lh s -2.501 0.064 -0.909 0.306 -0.546 -0.050 -0.533 0.259 -0.443 0.022 -0.413 0.553 -0.281 0.305 -0.254 -0.032 -0.239 -0.056 -0.221 -0.068 -0.216 0.065 -0.200 -0.228 -0.199 0.305 -0.079 -0.107 -0.052 0.156 -0.031 -0.064 -0.010 -0.062 0.102 0.034 0.130 -0.601 0.144 -0.108 0.254 0.028 0.302 -0.428 0.334 -0.480 0.381 -0.442 0.498 0.207 1.123 0.161 1.197 -0.017 2.716 0.382 -0.211 0.009 COUNTRY Brazil Portugal Italy Finland Sweden Turkey Mexico UK Ireland France USA Denmark Spain Netherlands Greece Germany Austria Japan Korea Belgium Australia Indonesia India Canada China South Africa Argentina Fm USSR Euro Area Specification 5 (81-85 vs 01-05) h \ ∆RM Cs ∆ρˆ ˜lh s -2.750 0.109 -1.015 0.360 -0.961 0.302 -0.925 0.643 -0.859 0.489 -0.712 0.409 -0.676 0.432 -0.635 0.138 -0.564 -0.081 -0.470 0.252 0.032 0.424 0.090 0.372 0.144 -0.268 0.165 -0.180 0.199 -0.102 0.225 -0.401 0.305 -0.360 0.313 0.295 0.403 -0.618 0.426 0.376 0.574 -0.860 0.622 -0.667 0.666 -0.489 0.718 -0.150 0.775 -0.347 0.795 -0.426 1.265 -0.271 4.021 -1.371 0.035 -0.127 COUNTRY Brazil Indonesia Korea Argentina Sweden Ireland Portugal Denmark Italy UK Spain Greece Belgium Austria South Africa India Finland Turkey Netherlands Canada France Germany Mexico Australia USA Japan China Fm USSR Euro Area Table 3: Growth Rates of RMC and Trade Openness in different periods. 20 h -0.124* (0.0583) 653 0.290 0.214** (0.0787) 0.215*** (0.0235) -0.184*** (0.0206) -0.220** (0.0785) 0.000244 (0.000310) 0.184*** (0.0206) 1.78e-09* (7.02e-10) -0.225** (0.0700) (4) Specification 2 0.241* (0.114) 240 0.0714 -0.753 (0.638) -1.733** (0.643) 0.843** (0.267) 1.732** (0.643) -0.00000134 (0.00000490) -0.207 (0.127) (5) Specification 3 \ Dep. Variable: ∆RM C s . Estimation method: OLS. Robust standard errors in parentheses. * p < 0.05, ** p < 0.01, *** p < 0.001 N R2 -0.0554 (0.0989) 653 0.143 constant 0.124 (0.0969) 653 0.0453 0.142 (0.133) H*grrate domestic 0.192* (0.0950) 653 0.0283 0.279*** (0.0398) H*grrate imp same -0.142 (0.133) -0.166*** (0.0350) -0.00564 (0.0113) -0.0000121 (0.000526) 0.166*** (0.0349) 4.00e-09*** (1.19e-09) -0.381** (0.119) (3) H*grrate imp diff grrate domestic 0.00135** (0.000469) grrate imp same 3.63e-09** (1.25e-09) 0.00237 (0.00145) 3.54e-09** (1.26e-09) total imp -0.395*** (0.116) (2) grrate imp diff -0.434*** (0.114) H (1) Specification 1 (benchmark) Table 4: RMC and Income Country-Groups. 0.258* (0.115) 592 0.0882 -0.462 (0.275) 0.111*** (0.0314) -0.0390* (0.0174) 0.389 (0.271) 0.000358* (0.000172) 0.0384* (0.0174) 3.03e-09 (3.77e-09) -0.601*** (0.134) (6) Specification 4 0.0234 (0.138) 592 0.158 0.528 (0.330) 0.186*** (0.0377) -0.123*** (0.0209) -0.626 (0.325) 0.000134 (0.000206) 0.122*** (0.0209) 1.63e-08*** (4.53e-09) -0.468** (0.161) (7) Specification 5 Appendix A Derivation of the RMC index with variable markups The derivation in this section builds on the variable markup model of Melitz and Ottaviano (2008), along the lines developed by Corcos et al. (2012). Unlike the latter, however, we do not include an outside good, whereas we do assume a two-tiered utility function. These changes enable us to obtain a gravity-type equation in which total expenditure, not population as in the above models, is used to account for the size of the importing country. Consider S sectors (indexed s = 1, . . . , S) active in M countries (indexed l = 1, . . . , h, . . . , M ). Each country-industry is endowed with a given amount of labour Lls and capital Ksl , with the output of each industry being horizontally differentiated in a large (continuum) set of varieties (indexed by i ∈ Θs ). Firms compete in a monopolistic market and each variety is supplied by one and only one firm. The marginal cost faced by a generic firm is mls (c) = ωsl c. (9) where ωsl denotes the unit input cost faced by firms active in country l-sector s. The unit input requirement c (i.e. inverse ‘total factor productivity’) is firm-specific and identifies the firm.19 National markets are segmented but firms can export, Because production functions have constant returns to scale, firms independently maximise the profits earned in different destination countries. Exporting firms incur a per-unit trade cost, encompassing quantity-related trade barriers. For each unit delivered from country l to country h, τslh > 1 units must be shipped. Moreover, we also allow for costly trade within a country, with τslh > τsll ≥ 1. To start producing, each firm has to bear a sunk cost Fsl = ωsl fsl . At this stage, firms are only partially aware of their marginal costs: while the exogenous country-sector specific cost ωsl is known ex-ante, c is revealed only once hthe sunki costs hare paid. iγs This phase is modelled as a draw from a known Pareto distribution γs mls (c) l c Gls (m) = max(m) , with the support [0, max (m)s ] varying across sectors and countries, = max(c) l l s s where max(m)ls is referred to as the ‘exogenous’ marginal cost cutoff in country l-sector s. Consumers maximise a ‘two-tiered’ utility function. In the first step, they allocate a fraction σsl of their income Y (i)l to goods produced in each sector according to U (i)ls = Y σl u(i)ls s with s X σsl = 1. (10) s In the second step, consumers allocate σsl Y (i)l among the different varieties in sector s by maximising the following quasi-linear utility function with quadratic sub-utility (Ottaviano et al., 2002): u(i)ls Z =α dls (i)di i∈Θs 1 − υs 2 Z i∈Θs l 2 1 ds (i) di − η 2 Z !2 dls (i)di (11) i∈Θs subject to Z pls (i) qsl (i)di = σsl Y (i)l (12) i∈Θs where dls (i) represents the individual consumption level of variety i of good s. The demand parameters α, βx,s Q l /β l and βx,s referring to input x’s cost and share might imagine ωsl being equal to BP x∈X wx,s , with wx,s x,s (in country l, sector s), respectively, (with β = 1) and B denoting the bundle of parameters associated with the x∈X x,s Cobb-Douglas production function. 19 One i η, and υs are all positive. The parameter υs indexes the degree of product differentiation among different varieties of good s.20 With this preference structure, marginal utilities are bounded, and utility maximisation yields the following expression for the individual demand of a generic variety i λls [max(p)ls − pls (i)] υs (13) σsl Y (i)l , Nsl max(p)ls p¯l1,s − p¯l2,s (14) dls (i) = where the Lagrange multiplier λls amounts to21 λls = υs and where max(p)ls = (α − υs Dsl )/λls denotes the price level, above which the demand for a generic variety in a given country-sector is positive. p¯l1,s and p¯l2,s represent the first and second moments of the price distribution of the Nsl varieties consumed in the country, respectively . As well as the number of varieties actually consumed in country l, Nsl also represents the number of firms serving country l-sector s.22 Let us now use h to refer to the destination market. Only those firms with sufficiently advantageous cost draws to sell to market h at a price below max(p)hs earn non-negative profits and can afford to serve that h hh market. Let mhh denote the marginal cost, inclusive of trade friction, faced by a producer in s = ms (c)τs country h-sector s that is indifferent between serving the local market and not. Then, the zero profit condition h mhh s = max(p)s holds true. As a consequence, a firm, wherever located, can serve market h provided that its delivered cost does not exceed mhh s . In other words, firm c producing in country l is able to target market h hh lh l when τs ms < ms and cannot do so when τslh mls (c) > mhh s . It is indifferent between serving and not serving hh measures the domestic ‘cutoff cost’ in country h-industry s. The . Thus, m market h when τslh mls (c) = mhh s s lh hh lh export cutoff is measured by ms = ms /τs . From profit maximisation, the aggregate demand and aggregate price for the variety sold in country h by firm c, which has its production based in country l, are respectively given by qslh (c) = λhs Lh hh [ms − mlh s (c)] 2υs and plh s (c) = 1 hh [m + mlh s (c)], 2 s (15) lh l h where mlh s (c) = τs ms (c) and L is the population of the destination country. l to denote the number of entrants in country l-sector s, aggregate exports of Given this and using NE,s good s from country l to country h can be obtained by solving: l Tslh = NE,s Z mlh s lh l l plh s (c) qs (c) d ms (c)/ max(m)s γs , (16) 0 lh hh lh Using the above equations for qslh (c) and plh s (c) (and considering that ms = ms /τs ), the solution yields hh h γs +2 h l Tslh = Υ1,s NE,s [max(m)ls ]−γs ρlh ms /Ps Ys s 20 The (17) degree of product differentiation increases with υs , as consumers give increasing weight to the distribution of consumption levels across varieties. In contrast to the standard Melitz-Ottaviano framework, α and η are assumed sector invariant to ensure that consumers always allocate a given expenditure share σsl to each sector. Note that assuming exogenously given σsl has no effect on our final goal, as the assumption does not imply that σsl is also time-invariant. 21 To derive the expression for λl , substitute (13) into the budget constraint (12). s R 22 Utility maximisation yields dl (i) = (α − λl pl (i) − ηD l )/υ , where D l = l s s s s s s i∈Θs ds (i)di is the total consumption of good s. l l ds (i) drops to zero at any price level below max(p)s . In this setting, each firm has a negligible impact on the market and does not compete directly with other firms. However, given the demand structure, firms interact indirectly through an aggregate demand effect, as the total output of the industry influences firm profits. ii in which 1 Psh ≡ Nsh max(p)hs p¯h1,s − p¯h2,s γs +2 and Ysh ≡ σsh Lh Y (i)h , (18) lh −γs and where Υ1,s ≡ 2(γs1+2) is a bundling sectoral parameter, ρlh ∈ (0, 1] is a measure of trade s ≡ (τs ) h openness between country l and country h-sector s, Ps is the exact price index in country h, and Ysh is the amount of national income (Y h = Lh Y (i)h ) that residents of country h spend in sector s. Exogenous (i.e. max(m)ls ) and endogenous (i.e. mhh s ) marginal cost cutoffs play different roles in Equation (17). On the one hand, a high max(m)ls (i.e. high input costs and/or low tfp) reduces the export performance of country l by weakening its comparative advantage, as in traditional trade models. On the other hand, a l relatively high mhh s in the destination country facilitates exports from l. Unlike max(m)s , the endogenous hh cutoff ms varies over time. The aggregate export share of country l in country h-sector s equals the expenditure share of country h in P imported goods from country l-sector s. Since Ysh = l Tslh , this can be expressed as: hh h γs +2 T lh l [max(m)ls ]−γs ρlh ms /Ps Rslh = P s lh = Υ1,s NE,s s l Ts (19) Equation (19) suggests that country l’s export share in country h can be used to retrieve definitive information on the marginal cost cutoff mhh s . To this end, note that the terms in Equation (19) are specific to both the h γs +2 l lh ) ), or the latter ( mhh origin and destination country (ρs ), to the former only ([max(m)ls ]−γs NE,s s /Ps only. Thus, we can use country l’s export share in country f (i.e. Rslf ≡ Tslf /Ysf ) to rid Equation (19) of l . We thus obtain the following prediction for the relative export the hard to observe term [max(m)ls ]−γs NE,s share of country l in country h (i.e. country h’s relative share of total expenditure on imported goods from country l): hh γs +2 ˜¯ s m h ˜ slh = RM Csh ρ˜lh R with RM C = , (20) s s P˜sh where a tilde has been used to indicate that a variable is expressed in relative terms with respect to the f h f f ˜h hh lf lh lf ˜ lh lh ˜ ¯ hh ˜ hh benchmark country (i.e. ρ˜lh s = s = ms /ms , Ps = ps /ps ). The term m s = ρs /ρs , Rs = Rs /Rs , m hh hh m ¯s ms hh = mhf = m ˜ s denotes average marginal costs in country h-sector s. As described in footnote 9, if firms’ m ¯ hf s s γs hh hh marginal costs are Pareto distributed, average marginal costs mhh s are in fact a function ms = γs +1 ms of the ˜¯ hh ˜ hh marginal cost cutoff. Because γs varies across sectors but not across countries, this implies that m s . s =m Equation (20) expresses the (observable) export share as a function of trade openness and marginal cost cutoffs, both relative to the benchmark country f . Note that the (endogenous) number of firms entering the market (i.e. the size of the exporting country) cancels out, as does the unmeasurable exogenous marginal cost component. To highlight the determinants of the RMC measure, note that the export share of country l in country h iii can be expressed as23 ˜ slh R P ρ˜lh = s ˜ hs Λ ˜ hs Λ with =P j j NP,s j j NP,s jj ρjh s /ρs −γs [mjj s ] jj ρjf s /ρs −γ [mjj s ] s . (24) Thus, whether country l is more competitive in market h than in country f -sector s depends on two factors. First, it depends positively on country l’s relative degree of trade openness with the two countries, the export lf ˜h share being higher in country h if ρlh s > ρs . Second, it depends negatively on the term Λs , which dictates that the export share in h is higher if the degree of competition is in market h is lower, compared to market f. From (20) and (24) it follows that hh γs +2 ˜¯ s m 1 = . (25) h ˜ ˜ Ps Λhs Equation (25) highlights that the ultimate determinant of cross-country marginal cost variability in the model is market competition. Marginal costs are lower in country-sectors in which relatively more producers j jh (higher NP,s ), with lower marginal costs (lower mjj s ), compete in a more open (higher ρs ) market. B RMC with constant markups In this section, we show that an expression similar to Equation (20) can be derived within a framework with constant (and thus exogenous) markups. This framework is identical to that of the previous section except for the way in which consumers allocate their income across varieties (i.e. the second stage of the utility maximisation process), which is now based on a CES utility function, and the presence of a fixed cost for exporting. The resulting model is a multi-country, multi-sector version of Melitz (2003), in the spirit of Chaney (2008), which is essentially a heterogeneous firm version of the Fadinger and Fleiss (2011) representative firm setup. While the first step of utility maximisation is still described by (10), let us assume, for the second stage, that consumers maximise sub-utility u(i)ls = 23 To Z i∈Θls dls (i) s −1 s s ! −1 s , (26) obtain Equation (24), first solve p¯h 1,s = X l l NE,s Z mlh s γs l l plh s (c) d ms (c)/ max(m)s and p¯h 2,s = 0 l l remembering that NE,s = NP,s X l NE,s l ll mll s /τs max(m)ls −γs Z mlh s γs 2 l l [plh s (c)] d ms (c)/ max(m)s (21) 0 l l , with NE,s and NP,s denoting the number of entrants and producers in country l-sector s, respectively. The resulting expression for the price index in (18) is Psh X j 1 γs +2 = [mhh NP,s s ] Υ1,s j ρjh s ρjj s ! −γs [mjj s ] 1 γs +2 . (22) Using (22) to substitute for Psh in Equation (19), the aggregate export share of country l in country h-sector s can be rewritten as: ! lh 1 X j ρjh s lh l h −γs ll −γs ρs Rs = NP,s [ms ] with Λs = NP,s [mjj . (23) s ] h ρll ρjj s Λs s j Dividing by the equivalent expression for Rslf yields Equation (24). iv subject to Z pls (i) qsl (i)di = σsl Y (i)l , (27) i∈Θs where Θls is the set of available varieties in sector s-country l and s is the elasticity of substitution among varieties. The associated demand function can be written as dls (i) [pl (i)]−s σsl Y (i)l = s [Psl ]1−s with Psl 1 ! 1− s Z = i∈Θls [pls (i)]1−s di . (28) From profit maximisation, we know that l pll s (c) = ms (c) s s − 1 ll lh and, since plh s (c) = ps (c) τs , l lh plh s (c) = ms (c) τs (29) s . s − 1 (30) In contrast to in the variable markup case, let us assume that firms in country l face a fixed cost Fslh ≡ ωsh ξslh fshh , with ξslh > 1, when targeting consumers in country h. The following condition of zero operating profits must be satisfied πslh (c) = 1 s s s − 1 1−s mls (c) τslh Psh 1−s σsh Y h − Fslh = 0, (31) where Y h = Y (i)h Lh is country h’s national income. From Equation (31) together with the analogous zero profit condition for domestic sales in country h (i.e. hh πi,s ) it is possible to derive a relationship between the export cutoff in the exporting country (mlh s ) and the hh domestic cutoff in the importing country (ms ) as lh mlh s = ξs 1 1− s mhh s . l Aggregate exports from country l to country h are given by NP,s (32) R mlh s 0 lh plh s (c) qs (c) d mls (c) max(m)ls γs , where l NP,s denotes the number of firms producing in country l-sector s. Using Equations (30) and (32) to solve the integral, the export share of country l in country h-sector s can be written as: γs −s +1 T lh γs −s +1 l lh 1−lh s Rslh = P s lh = Υ2,s NP,s [max(m)ls ]−γs ρlh [mhh [Psh ]s −1 , s ] s [ξs ] l Ts (33) 1−s γs s with Υ2,s ≡ γs − . Under the regularity condition that γs > 1 − s , Equation (33) can be used s −1 s +1 to derive an expression that is estimationally equivalent to Equation (20). To this end, comparing country l’s exports to a reference country f , we obtain h i1−s hh γs h ˜ lh = (m ˜ ˜ R ¯ ) /( P ) %˜lh s s s s , | {z } (34) RM Csh γs +1−s where %˜lh ˜s−γs ξ˜s 1−s is a measure of trade openness, encompassing variable and fixed frictions. s =τ Equation (34) shows that the estimation strategy in Equation (6) is broadly consistent with a constant markup setup, although the interpretation is slightly different, due to the presence of fixed export costs. v To highlight the marginal cost determinants, we proceed, as in Section A, by noting that the export share of country l in country h can be expressed as24 P j jh j −γs j NP,s %s [max(m)s ] h ˜ . with Ψs = P j jf j −γs j NP,s %s [max(m)s ] lh ˜ slh = %˜s R ˜ hs Ψ (38) This formulation is similar to Equation (24) and can be used together with Equation (34) to show that γs ˜¯ hh (m s ) P˜ h 1−s = s 1 . ˜h Ψ s (39) Thus, the interpretation of the estimated RMC is very similar to in a variable-markup framework. Crosscountry differences in marginal costs are still driven by the level of market competition. However, unlike the variable-markup case, the degree of trade openness is decreased by the presence of fixed export costs and it is ultimately the exogenous, not endogenous, marginal cost cutoff that is important in Equation (39). C Correlations In this section we analyse the correlation of our estimated RMC with some key indicators suggested by the literature. Producer prices. Ricardian frameworks with intra-industry heterogeneity feature a close relationship between productivity (or marginal costs) and producer prices. In fact, under the Pareto distributional assumption, average prices in country h are in fact a very simple function of the marginal cost cutoff: p¯hs = 2γs +1 hh 25 Corcos et al. (2012) take advantage of this relationship using country-sectoral PPIs, drawn 2(γs +1) ms . from the GGDC - EU KLEMS database, to proxy for the cutoff.26 Under the hypothesis that economies are observed at their long-run equilibrium, the expected correlation between our RMC measure and relative producer prices in the GGDC - EU KLEMS database is positive. However, as already highlighted in Section 2, the measurement error associated with PPIs is reasonably high and the adjustment process due to the selection effect is likely slow. Therefore, it is not surprising that we find no correlation between contemporaneous values of RMC and Producer Prices in Table 5 where, since the PPI is available only for 1997, we estimate and include the 1996 − 1998 average of our RMCs to examine contemporaneous correlations (Spearman’s rank 24 To obtain Equation (38) solve Psh = N X j=1 j NP,s Z mjh s 1−s [pjh d s (c)] 0 mjs (c) max(m)js 1 !γs 1− s (35) to obtain the following expression for the price index: 1 1−s γs −s +1 Psh = Υ2,s [mhh Ψh s s ] with Ψh s = X j j −γs NP,s [%jh . s ] [max(m)s ] (36) j This equation can be used in (33) to express the aggregate export share of country l in country h-sector s as l Rslh = NP,s [max(m)ls ]−γs %lh s 1 . Ψh s (37) Dividing by Rslf yields Equation (38). 25 The R mlh l lh l l s expression for p¯h ¯h plh s is obtained by solving p s ≡ 1/Gs (ms ) 0 s (m)dGs (m) under the hypothesis that Gs (m) is Pareto. 26 The same measure is also used by Costinot et al. (2012) in a robustness check. vi correlations are reported).27 . This result suggests caution when relating PPP indexes to contemporaneous values of cost cutoff determinants in order to capture the selection effect of international trade: economies are hardly unlikely to be observed at their true long-run equilibrium. Unit labour costs, labour productivity, and export shares. Countries’ export performance is crucially affected by ‘cost-competitiveness’ (Carlin et al., 2001). This makes it interesting to examine the extent to which our country-sector rankings relate to those that can be obtained through conventional measures of cost competitiveness, on the one hand, and to countries’ export shares, on the other. We therefore consider the correlation of the RMC with labour productivity and with a measure of Relative Unit Labour Costs (RULC) obtained (Carlin et al., 2001) by applying country-sectoral wages to labour productivity and dividing by the G20 average. Being derived under the hypothesis that marginal costs are ωsl c, our estimated RMC should generally be correlated with both these measures. Correlations are reported in Table 5, where we also consider real measures of RULC and labour productivity, obtained using the above country-sectoral (GGDC - EU KLEMS) PPIs as deflators. While we find the export share to be negatively correlated with the contemporaneous RMC (all variables other than RMC 1997 refer to the earlier period) and not with the subsequent RMC (RMC in 1997), the correlations with RULC and (inverse) labour productivity are slightly positive and significant, as expected. D Country-Sector Results The average values presented in Tables 2 and 3 hide substantial heterogeneity across sectors. This is shown in Table 6, where the full set of country-sector RMC growth rates is reported, and Table 7, which reports the country ranking of each sector in the two periods under consideration. In the US, for example, predicted changes in RMC range from −1.87 points in the plastic products industry to 2.43 points in the rubber products industry. Additionally, while the former USSR countries are estimated to lose the most in aggregate terms, they report strong RMC decreases in some industries, such as tobacco and printing and publishing. 27 We also considered the correlation with the RMC estimated for the first period, again finding no correlation. vii viii RULC # obs. Stars denote 5% significance level. 0.1454* 340 0.1562* 340 Producer Prices 1997 # obs. Inverse Labour Productivity (real) # obs. 0.0736 340 Export Share # obs. 0.1550* 340 -0.1220* 340 RMC (Specification 2) # obs. Inverse Labour Productivity # obs. 0.4323* 340 RMC 1997 (benchmark) # obs. 0.1427* 340 0.1070* 340 RMC (benchmark) # obs. RULC (real) # obs. RMC (bench.) 1 340 -0.0939 340 -0.1103* 340 -0.0748 340 -0.0912 340 -0.0942 340 0.0303 340 0.1309* 340 1 340 RMC 1997 (bench.) 0.3486* 340 0.3445* 340 0.3285* 340 0.3215* 340 0.0116 340 -0.4454* 340 1 340 RMC (Spec. 2) -0.7701* 340 -0.7591* 340 -0.6694* 340 -0.6491* 340 -0.0225 340 1 340 Export Share 0.0099 340 0.1850* 340 0.0769 340 0.2430* 340 1 340 ppp 1997 0.8991* 340 0.9344* 340 0.9814* 340 1 340 RULC Table 5: Spearman’s Rank Correlations (Levels). 0.9313* 340 0.9308* 340 1 340 RULC (real) 0.9804* 340 1 340 Lab. Prod. 1 340 Lab. Prod. (real) ix avg 0.61 0.40 0.19 -0.01 -2.46 0.56 0.66 -0.56 -0.26 2.52 0.14 0.70 0.03 0.15 -0.38 -0.42 -0.66 0.90 -1.07 0.20 -0.08 -1.04 0.68 0.23 -0.79 -0.32 -0.20 0.26 avg 0.61 0.40 0.19 -0.01 -2.46 0.56 0.66 -0.56 -0.26 2.52 0.14 0.70 0.03 0.15 -0.38 -0.42 -0.66 0.90 -1.07 0.20 -0.08 -1.04 0.68 0.23 -0.79 -0.32 -0.20 0.26 COUNTRY Argentina Australia Austria Belgium Brazil Canada China Denmark Finland Fm USSR France Germany Greece India Indonesia Ireland Italy Japan Korea Mexico Netherlands Portugal South Africa Spain Sweden Turkey UK USA COUNTRY Argentina Australia Austria Belgium Brazil Canada China Denmark Finland Fm USSR France Germany Greece India Indonesia Ireland Italy Japan Korea Mexico Netherlands Portugal South Africa Spain Sweden Turkey UK USA 0.67 -0.31 -0.06 -0.89 -3.23 1.56 2.26 -1.25 1.34 1.82 -0.14 0.93 0.40 0.43 -1.79 -0.40 -0.23 0.16 -2.49 -0.54 1.10 0.06 2.91 -1.66 -0.69 0.92 -1.01 -0.51 PE 1.27 -0.95 -0.31 0.21 -2.64 0.07 1.38 0.25 -0.25 2.82 -1.47 0.54 -0.70 0.92 0.56 -0.19 -0.77 0.38 -0.41 2.42 0.37 -2.97 1.28 -0.49 -1.84 -0.66 0.10 -0.43 FD -0.09 0.08 0.77 -1.16 -2.96 0.18 1.71 -1.63 -0.93 5.31 0.42 2.61 -1.21 0.65 0.25 -0.69 -1.08 -0.32 -0.85 1.04 0.91 -1.78 0.11 -0.91 -1.57 -0.91 -0.49 2.43 RU 1.32 -0.62 1.21 -0.65 -2.14 1.08 0.15 -0.34 -0.24 1.77 -0.10 0.96 1.19 1.06 0.23 -0.20 -0.29 -3.76 1.21 1.50 -0.61 0.97 1.72 -1.34 -1.78 0.07 0.01 -1.29 BV -0.35 2.58 0.91 0.34 -2.97 2.42 0.71 -2.40 -1.20 3.53 -1.37 -1.22 0.10 0.32 -0.17 -0.82 -2.11 -0.15 -1.18 2.38 -0.41 -1.76 1.32 -0.01 -1.86 0.67 -1.02 -1.87 PL 1.16 -3.44 1.51 -0.57 -6.28 0.56 1.05 -0.10 0.51 -5.18 -2.08 -0.03 0.90 1.21 -1.31 -0.08 -2.12 -2.26 1.49 1.04 -1.51 3.02 4.84 2.59 0.88 0.19 -1.88 -0.25 TB 1.35 -1.00 -0.70 0.94 -0.61 0.34 3.07 -1.86 -1.97 3.53 -2.40 -1.04 0.72 0.73 -0.09 -2.12 1.59 -0.38 0.61 0.77 -2.40 -1.00 2.59 0.40 1.76 1.43 -0.19 -1.02 PT 0.84 0.12 -1.28 -0.17 -3.57 0.50 0.04 0.07 -0.47 4.98 -1.03 0.42 -0.46 0.26 0.14 -0.13 -0.60 -1.42 0.13 1.44 0.44 -2.06 -0.09 -0.01 0.11 -1.05 -0.01 0.51 TX -0.24 -0.57 1.15 0.27 -3.28 0.62 3.22 0.23 -0.73 3.94 -2.93 0.47 0.60 0.47 -0.32 -0.11 0.18 0.40 -1.07 1.02 1.60 -1.20 0.22 -0.51 0.12 0.68 -0.57 -0.01 GL 0.27 0.05 -0.27 0.09 -2.91 0.13 2.10 -0.08 -0.10 3.71 -0.84 0.36 0.91 -0.32 -1.63 -1.54 -1.58 -1.38 -1.33 2.84 -0.83 -1.84 0.02 2.22 -0.26 -1.55 0.40 0.23 AP -1.70 1.04 0.71 -1.25 -3.47 0.81 2.73 -0.02 -0.02 1.95 -0.87 0.05 0.23 0.21 -0.60 -0.78 -1.44 1.81 0.27 2.07 -0.77 -1.80 0.42 -0.63 -1.34 -0.76 0.85 0.40 NM 0.06 -1.06 -0.10 -0.61 -2.04 -1.19 2.05 -1.35 0.10 4.49 -0.76 1.07 -0.59 -0.10 1.56 0.32 -0.57 0.38 -1.00 1.05 -2.40 1.23 2.33 -0.34 -2.56 -0.21 -0.03 0.07 LT -0.43 2.70 0.55 0.22 -2.00 1.55 -1.27 0.28 0.70 -0.23 1.30 0.67 0.07 -0.55 -1.81 -0.03 0.54 -1.02 -0.35 1.38 0.45 0.42 0.25 0.92 -1.15 0.41 1.06 -1.12 ST 1.71 -1.29 0.36 -0.08 -3.76 0.41 -3.31 -1.01 -0.13 2.76 0.29 0.07 0.99 4.01 -0.17 0.73 -3.71 4.23 -3.51 0.44 0.76 1.75 0.07 1.93 -0.48 1.42 0.57 -1.20 FT 1.42 1.76 -4.03 -1.35 -2.38 0.90 0.69 1.48 -1.94 4.32 -0.42 -0.01 -1.02 -1.16 -0.88 -0.53 0.01 1.47 -0.95 0.06 0.35 -1.38 -0.13 -0.54 -0.88 0.75 0.88 1.76 NF 1.06 -0.30 -1.87 -2.83 -5.14 4.48 2.86 -1.20 -0.66 3.74 -2.28 -2.20 0.62 -1.46 0.06 0.23 -1.33 5.14 0.56 -0.65 -1.94 -1.83 -0.25 2.40 -0.36 1.60 -0.77 0.54 WO 0.39 0.31 -0.78 1.23 -3.08 0.18 0.86 0.10 -0.34 0.96 -0.13 0.09 1.24 -0.25 0.91 -0.03 -1.57 0.07 -0.41 1.42 -0.31 -0.52 0.90 0.17 -0.22 -0.18 -0.13 0.11 MP 3.56 -1.03 1.15 0.61 -2.93 -1.66 4.15 -1.36 -0.75 5.31 -1.22 0.34 3.42 -1.16 -2.61 -0.09 -1.31 -0.42 -2.05 -0.12 0.17 2.11 1.35 -0.64 -1.31 -0.98 -0.13 -0.98 FU -0.96 -0.11 1.28 1.04 -1.24 0.02 1.42 -1.11 -1.04 3.24 1.08 1.47 -1.34 -0.51 -0.93 -0.23 0.26 2.18 -1.08 -0.34 -1.70 0.22 0.04 2.04 -1.56 -0.55 -0.44 1.69 MA 1.31 0.49 -0.69 2.15 -1.53 1.41 0.47 0.15 -0.02 2.41 -0.82 0.56 -1.99 -0.05 -0.29 -0.28 -0.83 -2.09 -1.68 0.52 -0.58 -0.28 2.00 0.67 0.22 0.76 0.17 -1.51 PA 0.87 0.93 0.95 0.55 -1.01 0.39 -1.03 0.26 0.06 3.16 0.23 1.74 1.13 0.23 -0.22 -0.38 -0.47 0.35 -1.81 -2.78 -0.91 -0.75 1.24 -0.05 -0.74 -0.39 -0.19 0.45 EM 2.28 1.67 0.25 -0.18 -5.25 1.60 0.45 -2.11 0.24 -4.08 -0.24 0.61 0.78 1.39 -1.64 -0.01 -0.51 -0.76 -0.44 0.13 0.32 -1.04 1.12 -0.54 -0.56 1.20 -0.28 0.78 PP 0.23 -0.13 1.19 -0.08 -2.84 -0.44 -0.85 -2.09 -0.33 5.76 2.10 1.19 0.20 -0.37 -1.77 -0.45 0.19 3.74 -1.92 -0.27 0.69 -2.31 -0.20 1.38 -0.13 -1.01 -0.24 0.60 TR 0.04 0.38 0.25 0.58 -1.19 0.63 -0.02 1.14 -0.33 2.70 0.92 -0.69 -0.98 0.06 -0.83 -1.08 -0.81 -0.94 0.24 0.21 -0.02 1.43 0.09 -0.25 -1.56 -0.38 0.55 0.57 IC -0.60 -0.26 -0.11 -0.39 -0.17 -0.77 1.91 -1.14 -0.83 2.73 0.03 -0.75 -0.84 0.21 -0.98 -0.71 -0.50 1.59 0.42 -0.26 -0.04 0.34 0.24 0.33 -1.06 -0.11 -1.00 0.18 PS -0.40 -0.08 -0.61 -2.51 -3.07 0.24 4.03 -1.40 -0.74 2.20 0.02 1.51 -0.73 0.23 1.76 -0.08 -0.52 1.68 -0.47 -0.19 1.41 -1.46 -0.54 0.77 -1.04 0.13 -0.18 1.32 OC Table 6: RMC Changes from the Early Period (1981-1990) to the Late Period (1997-2006) by Country-Sector. early ARG SUN MEX IRL IND TUR AUT AUS DNK BRA FIN BEL CHN PRT NLD GBR SWE ZAF GRC FRA ESP USA CAN DEU JPN IDN KOR ITA FD late PRT BRA TUR IRL ARG AUS SWE AUT FRA IND FIN GRC DNK BEL ESP SUN NLD GBR MEX USA CHN ZAF CAN JPN ITA DEU KOR IDN gr.rate* ‐2.97 ‐2.64 ‐0.66 ‐0.19 1.27 ‐0.95 ‐1.84 ‐0.31 ‐1.47 0.92 ‐0.25 ‐0.7 0.25 0.21 ‐0.49 2.82 0.37 0.1 2.42 ‐0.43 1.38 1.28 0.07 0.38 ‐0.77 0.54 ‐0.41 0.56 early IND DEU TUR ZAF ARG FRA KOR MEX PRT AUT GRC BRA ITA NLD USA CHN BEL GBR FIN IDN AUS IRL CAN ESP DNK SUN SWE JPN *growth rates refer to the countries in the second column. rank 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 BV late TUR BRA IND DEU JPN FRA USA NLD ITA ZAF ARG BEL ESP SWE PRT KOR AUT GRC AUS CHN MEX FIN GBR IRL IDN DNK CAN SUN gr.rate* 0.07 ‐2.14 1.06 0.96 ‐3.76 ‐0.1 ‐1.29 ‐0.61 ‐0.29 1.72 1.32 ‐0.65 ‐1.34 ‐1.78 0.97 1.21 1.21 1.19 ‐0.62 0.15 1.5 ‐0.24 0.01 ‐0.2 0.23 ‐0.34 1.08 1.77 early USA PRT IND CHN JPN SWE IRL ESP IDN AUT DNK MEX CAN KOR DEU ARG GRC ZAF BEL GBR AUS FIN FRA ITA TUR SUN NLD BRA TB late USA JPN IDN AUS IND CHN IRL GBR SUN DNK SWE BRA PRT BEL DEU FRA ITA AUT CAN MEX ESP GRC ARG KOR FIN NLD TUR ZAF gr.rate* ‐0.25 ‐2.26 ‐1.31 ‐3.44 1.21 1.05 ‐0.08 ‐1.88 ‐5.18 ‐0.1 0.88 ‐6.28 3.02 ‐0.57 ‐0.03 ‐2.08 ‐2.12 1.51 0.56 1.04 2.59 0.9 1.16 1.49 0.51 ‐1.51 0.19 4.84 early SUN FIN IND NLD CHN ESP SWE BEL DEU IRL KOR AUT ARG USA FRA IDN GRC CAN TUR ZAF PRT GBR AUS DNK ITA JPN MEX BRA TX late FIN AUT PRT IND CHN NLD FRA BEL ESP SWE TUR IRL GRC DEU KOR BRA IDN SUN USA ZAF JPN CAN ARG GBR ITA AUS DNK MEX gr.rate* ‐0.47 ‐1.28 ‐2.06 0.26 0.04 0.44 ‐1.03 ‐0.17 ‐0.01 0.11 ‐1.05 ‐0.13 ‐0.46 0.42 0.13 ‐3.57 0.14 4.98 0.51 ‐0.09 ‐1.42 0.5 0.84 ‐0.01 ‐0.6 0.12 0.07 1.44 early CHN SUN ZAF USA ARG CAN AUS ESP BEL FRA AUT SWE ITA MEX GBR JPN IND BRA KOR GRC NLD DEU TUR IRL FIN PRT DNK IDN AP late ZAF USA ARG ITA BRA AUS CAN CHN FRA JPN AUT SWE BEL TUR IRL KOR SUN NLD PRT IND GBR ESP FIN DEU GRC DNK MEX IDN gr.rate* 0.02 0.23 0.27 ‐1.58 ‐2.91 0.05 0.13 2.1 ‐0.84 ‐1.38 ‐0.27 ‐0.26 0.09 ‐1.55 ‐1.54 ‐1.33 3.71 ‐0.83 ‐1.84 ‐0.32 0.4 2.22 ‐0.1 0.36 0.91 ‐0.08 2.84 ‐1.63 early CHN SUN AUS MEX IDN PRT ARG IRL USA DEU ESP GRC FRA AUT BRA TUR JPN GBR FIN IND ZAF DNK CAN NLD BEL KOR SWE ITA Table 7: RMC Country Rankings and Gowth Rates from the Early Period (1981‐1990) to the Late Period (1997‐2006). LT late AUS CHN BRA MEX ARG FRA GRC USA ESP IDN IRL NLD PRT AUT TUR SWE DNK GBR DEU CAN IND FIN JPN SUN BEL KOR ITA ZAF gr.rate* ‐1.06 2.05 ‐2.04 1.05 0.06 ‐0.76 ‐0.59 0.07 ‐0.34 1.56 0.32 ‐2.4 1.23 ‐0.1 ‐0.21 ‐2.56 ‐1.35 ‐0.03 1.07 ‐1.19 ‐0.1 0.1 0.38 4.49 ‐0.61 ‐1 ‐0.57 2.33 early IND ARG JPN FRA ZAF ESP TUR MEX AUT GRC DEU IRL SUN FIN PRT BRA GBR BEL NLD DNK IDN AUS SWE USA CAN ITA KOR CHN FT late BRA ARG ZAF FRA ITA AUT MEX IND DEU KOR FIN TUR DNK AUS ESP JPN GRC BEL IRL USA GBR SWE IDN CHN NLD PRT SUN CAN gr.rate* ‐3.76 1.71 0.07 0.29 ‐3.71 0.36 0.44 4.01 0.07 ‐3.51 ‐0.13 1.42 ‐1.01 ‐1.29 1.93 4.23 0.99 ‐0.08 0.73 ‐1.2 0.57 ‐0.48 ‐0.17 ‐3.31 0.76 1.75 2.76 0.41 early CAN CHN ESP AUT SUN KOR JPN USA DEU AUS TUR FRA DNK PRT IND FIN MEX SWE IRL ZAF NLD GBR ARG GRC BEL BRA IDN ITA WO late AUT DEU BRA FRA PRT AUS KOR IND DNK USA NLD CHN FIN MEX BEL SWE ESP GBR ZAF CAN IRL TUR SUN GRC IDN ARG JPN ITA gr.rate* ‐1.87 ‐2.2 ‐5.14 ‐2.28 ‐1.83 ‐0.3 0.56 ‐1.46 ‐1.2 0.54 ‐1.94 2.86 ‐0.66 ‐0.65 ‐2.83 ‐0.36 2.4 ‐0.77 ‐0.25 4.48 0.23 1.6 3.74 0.62 0.06 1.06 5.14 ‐1.33 early CHN SUN AUT ARG DEU PRT GRC ITA USA NLD BEL ZAF ESP AUS FIN JPN FRA CAN SWE TUR GBR IRL BRA KOR MEX IDN IND DNK *growth rates refer to the countries in the second column. rank 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 FU late ITA USA AUS BRA ESP AUT CAN DEU FRA FIN NLD SWE JPN BEL CHN TUR KOR IDN PRT ZAF GBR IRL SUN ARG MEX IND DNK GRC gr.rate* ‐1.31 ‐0.98 ‐1.03 ‐2.93 ‐0.64 1.15 ‐1.66 0.34 ‐1.22 ‐0.75 0.17 ‐1.31 ‐0.42 0.61 4.15 ‐0.98 ‐2.05 ‐2.61 2.11 1.35 ‐0.13 ‐0.09 5.31 3.56 ‐0.12 ‐1.16 ‐1.36 3.42 early SUN ZAF FIN IND AUS SWE BEL PRT NLD DEU USA ESP AUT TUR CHN ARG FRA GBR JPN IRL ITA KOR GRC DNK IDN CAN BRA MEX PA late FIN USA JPN IND ZAF NLD PRT SUN AUS AUT GRC SWE FRA KOR ITA DEU IRL ESP GBR BRA CHN TUR BEL ARG IDN DNK MEX CAN gr.rate* ‐0.02 ‐1.51 ‐2.09 ‐0.05 2 ‐0.58 ‐0.28 2.41 0.49 ‐0.69 ‐1.99 0.22 ‐0.82 ‐1.68 ‐0.83 0.56 ‐0.28 0.67 0.17 ‐1.53 0.47 0.76 2.15 1.31 ‐0.29 0.15 0.52 1.41 early JPN CHN KOR NLD ITA FIN ESP AUT FRA GRC PRT SWE BEL AUS MEX USA TUR GBR IND DEU IDN ZAF DNK IRL CAN BRA SUN ARG late JPN BRA KOR ITA CHN PRT ESP NLD DNK FRA SWE IDN FIN AUT BEL SUN MEX GRC GBR USA DEU IRL AUS TUR IND ZAF CAN ARG PP gr.rate* ‐0.76 ‐5.25 ‐0.44 ‐0.51 0.45 ‐1.04 ‐0.54 0.32 ‐2.11 ‐0.24 ‐0.56 ‐1.64 0.24 0.25 ‐0.18 ‐4.08 0.13 0.78 ‐0.28 0.78 0.61 ‐0.01 1.67 1.2 1.39 1.12 1.6 2.28 early SUN DNK ARG PRT FRA AUT USA IRL CHN DEU FIN GBR ITA IND ESP JPN TUR GRC ZAF BEL IDN AUS NLD KOR SWE BRA CAN MEX late IRL ARG DEU ITA GRC JPN CHN FIN AUT DNK ESP SUN USA TUR IND PRT FRA IDN SWE GBR ZAF BRA BEL NLD AUS KOR MEX CAN IC gr.rate* ‐1.08 0.04 ‐0.69 ‐0.81 ‐0.98 ‐0.94 ‐0.02 ‐0.33 0.25 1.14 ‐0.25 2.7 0.57 ‐0.38 0.06 1.43 0.92 ‐0.83 ‐1.56 0.55 0.09 ‐1.19 0.58 ‐0.02 0.38 0.24 0.21 0.63 early CHN JPN USA SUN ITA DEU IND ESP FRA IDN NLD TUR ZAF GRC FIN KOR AUT SWE GBR PRT ARG IRL AUS MEX CAN DNK BRA BEL Table 7: RMC Country Rankings and Gowth Rates from the Early Period (1981‐1990) to the Late Period (1997‐2006). OC late ITA USA JPN IND CHN BRA FRA PRT GRC SWE ZAF FIN BEL ESP AUT KOR TUR DEU SUN DNK GBR ARG IRL NLD AUS MEX IDN CAN gr.rate* ‐0.52 1.32 1.68 0.23 4.03 ‐3.07 0.02 ‐1.46 ‐0.73 ‐1.04 ‐0.54 ‐0.74 ‐2.51 0.77 ‐0.61 ‐0.47 0.13 1.51 2.2 ‐1.4 ‐0.18 ‐0.4 ‐0.08 1.41 ‐0.08 ‐0.19 1.76 0.24 early CHN SUN CAN AUT IND FIN TUR PRT JPN DEU NLD BEL USA ITA FRA IRL GRC SWE ZAF ARG GBR ESP KOR BRA DNK AUS MEX IDN PE late AUT SUN CHN CAN IND BEL KOR PRT GBR USA JPN ESP SWE IRL ITA TUR FRA BRA FIN GRC DEU NLD ARG DNK ZAF AUS MEX IDN gr.rate* ‐0.06 1.82 2.26 1.56 0.43 ‐0.89 ‐2.49 0.06 ‐1.01 ‐0.51 0.16 ‐1.66 ‐0.69 ‐0.4 ‐0.23 0.92 ‐0.14 ‐3.23 1.34 0.4 0.93 1.1 0.67 ‐1.25 2.91 ‐0.31 ‐0.54 ‐1.79 early SUN USA CHN DEU FRA IND TUR IDN ESP ITA AUT JPN ZAF KOR PRT GRC NLD FIN GBR ARG DNK SWE AUS IRL BEL MEX CAN BRA *growth rates refer to the countries in the second column. rank 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 RU late USA CHN FRA PRT TUR ITA ESP IND GRC DNK KOR SWE JPN DEU FIN IDN BRA ZAF GBR SUN AUT ARG BEL IRL AUS NLD CAN MEX gr.rate* 2.43 1.71 0.42 ‐1.78 ‐0.91 ‐1.08 ‐0.91 0.65 ‐1.21 ‐1.63 ‐0.85 ‐1.57 ‐0.32 2.61 ‐0.93 0.25 ‐2.96 0.11 ‐0.49 5.31 0.77 ‐0.09 ‐1.16 ‐0.69 0.08 0.91 0.18 1.04 early SUN AUS AUT ZAF TUR ESP JPN ITA PRT BEL GRC CAN IND FRA KOR FIN DEU MEX GBR NLD CHN SWE DNK ARG IDN IRL USA BRA PL late ITA PRT DNK JPN ESP SWE FRA AUT FIN KOR DEU TUR GBR BRA ZAF USA GRC NLD BEL AUS IND ARG IRL SUN IDN CHN CAN MEX gr.rate* ‐2.11 ‐1.76 ‐2.4 ‐0.15 ‐0.01 ‐1.86 ‐1.37 0.91 ‐1.2 ‐1.18 ‐1.22 0.67 ‐1.02 ‐2.97 1.32 ‐1.87 0.1 ‐0.41 0.34 2.58 0.32 ‐0.35 ‐0.82 3.53 ‐0.17 0.71 2.42 2.38 early CHN GRC ARG MEX SUN TUR KOR JPN IND ZAF IRL AUS CAN PRT USA GBR ESP AUT ITA IDN BEL SWE FIN BRA NLD FRA DNK DEU PT late IRL CHN JPN AUS PRT GRC USA MEX KOR AUT IND FIN ARG GBR TUR CAN NLD IDN ESP FRA BRA DNK ZAF BEL SUN ITA DEU SWE gr.rate* ‐2.12 3.07 ‐0.38 ‐1 ‐1 0.72 ‐1.02 0.77 0.61 ‐0.7 0.73 ‐1.97 1.35 ‐0.19 1.43 0.34 ‐2.4 ‐0.09 0.4 ‐2.4 ‐0.61 ‐1.86 2.59 0.94 3.53 1.59 ‐1.04 1.76 early CHN KOR SUN TUR ZAF USA AUT NLD ITA ESP GRC IND DNK ARG PRT DEU JPN FIN IDN BEL IRL GBR SWE AUS FRA MEX CAN BRA GL late KOR FRA PRT TUR ZAF ESP USA ITA ARG FIN CHN DNK IND GRC GBR BRA AUT IDN JPN DEU AUS IRL NLD BEL SWE SUN MEX CAN gr.rate* ‐1.07 ‐2.93 ‐1.2 0.68 0.22 ‐0.51 ‐0.01 0.18 ‐0.24 ‐0.73 3.22 0.23 0.47 0.6 ‐0.57 ‐3.28 1.15 ‐0.32 0.4 0.47 ‐0.57 ‐0.11 1.6 0.27 0.12 3.94 1.02 0.62 early CHN JPN AUS SUN USA MEX AUT KOR CAN IND GBR IRL ESP GRC ZAF FRA PRT NLD DNK FIN TUR DEU ARG ITA IDN BRA BEL SWE NM late CHN AUS JPN USA KOR BRA IRL AUT PRT ESP IND SUN MEX CAN FRA GBR ARG NLD ITA TUR GRC ZAF SWE DNK BEL FIN DEU IDN gr.rate* 2.73 1.04 1.81 0.4 0.27 ‐3.47 ‐0.78 0.71 ‐1.8 ‐0.63 0.21 1.95 2.07 0.81 ‐0.87 0.85 ‐1.7 ‐0.77 ‐1.44 ‐0.76 0.23 0.42 ‐1.34 ‐0.02 ‐1.25 ‐0.02 0.05 ‐0.6 Table 7: RMC Country Rankings and Gowth Rates from the Early Period (1981‐1990) to the Late Period (1997‐2006). early MEX AUS KOR FRA SUN CAN SWE ESP ARG DEU TUR BRA NLD AUT GBR IRL ITA PRT GRC FIN DNK BEL JPN ZAF IND CHN USA IDN ST late KOR SWE BRA SUN MEX ARG FRA AUS CAN DEU IRL TUR ESP JPN NLD AUT GRC PRT ITA CHN GBR FIN IND BEL DNK USA ZAF IDN gr.rate* ‐0.35 ‐1.15 ‐2 ‐0.23 1.38 ‐0.43 1.3 2.7 1.55 0.67 ‐0.03 0.41 0.92 ‐1.02 0.45 0.55 0.07 0.42 0.54 ‐1.27 1.06 0.7 ‐0.55 0.22 0.28 ‐1.12 0.25 ‐1.81 early SUN ARG TUR CHN DNK AUS ITA USA GRC DEU ESP CAN IND NLD FRA PRT IDN SWE JPN GBR ZAF IRL KOR AUT BEL MEX BRA FIN NF late AUT GRC IND TUR PRT ARG ITA CHN ESP IDN SWE DEU FRA BRA KOR NLD DNK IRL BEL ZAF CAN AUS SUN USA GBR JPN FIN MEX gr.rate* ‐4.03 ‐1.02 ‐1.16 0.75 ‐1.38 1.42 0.01 0.69 ‐0.54 ‐0.88 ‐0.88 ‐0.01 ‐0.42 ‐2.38 ‐0.95 0.35 1.48 ‐0.53 ‐1.35 ‐0.13 0.9 1.76 4.32 1.76 0.88 1.47 ‐1.94 0.06 early CHN AUS ESP BEL FRA FIN MEX ARG GRC ITA DNK AUT JPN CAN USA IND SWE NLD SUN IRL GBR PRT KOR ZAF TUR DEU BRA IDN *growth rates refer to the countries in the second column. rank 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 MP late ITA AUS ESP FIN AUT FRA CHN BRA ARG DNK IND JPN SWE USA NLD CAN BEL PRT MEX GRC IRL GBR KOR TUR SUN DEU ZAF IDN gr.rate* ‐1.57 0.31 0.17 ‐0.34 ‐0.78 ‐0.13 0.86 ‐3.08 0.39 0.1 ‐0.25 0.07 ‐0.22 0.11 ‐0.31 0.18 1.23 ‐0.52 1.42 1.24 ‐0.03 ‐0.13 ‐0.41 ‐0.18 0.96 0.09 0.9 0.91 early JPN USA AUT SUN ESP CHN FRA DEU ITA IRL PRT BEL TUR CAN GRC ZAF FIN IND DNK GBR SWE NLD AUS KOR IDN BRA MEX ARG MA late JPN AUT IRL GRC USA ITA PRT NLD FIN SWE TUR DNK CHN FRA KOR CAN ESP IND DEU ZAF GBR BRA IDN SUN BEL AUS ARG MEX gr.rate* 2.18 1.28 ‐0.23 ‐1.34 1.69 0.26 0.22 ‐1.7 ‐1.04 ‐1.56 ‐0.55 ‐1.11 1.42 1.08 ‐1.08 0.02 2.04 ‐0.51 1.47 0.04 ‐0.44 ‐1.24 ‐0.93 3.24 1.04 ‐0.11 ‐0.96 ‐0.34 early SUN JPN AUT CAN FIN DEU IND CHN FRA AUS USA GRC ARG ESP BEL KOR BRA DNK IRL ZAF GBR MEX SWE TUR ITA PRT NLD IDN EM late CHN KOR MEX JPN FIN CAN IND FRA BRA ESP AUT USA SUN BEL AUS IRL ARG GRC SWE DEU DNK GBR ITA TUR NLD PRT ZAF IDN gr.rate* ‐1.03 ‐1.81 ‐2.78 0.35 0.06 0.39 0.23 0.23 ‐1.01 ‐0.05 0.95 0.45 3.16 0.55 0.93 ‐0.38 0.87 1.13 ‐0.74 1.74 0.26 ‐0.19 ‐0.47 ‐0.39 ‐0.91 ‐0.75 1.24 ‐0.22 early SUN FRA JPN ITA MEX ESP DEU CHN SWE BEL NLD AUT USA IND ARG PRT GRC GBR ZAF FIN TUR AUS KOR DNK IRL BRA CAN IDN TR late MEX ITA FRA CHN PRT SWE ESP BEL IND DNK KOR SUN DEU TUR BRA NLD GBR ZAF USA FIN ARG GRC AUS AUT JPN IRL CAN IDN gr.rate* ‐0.27 0.19 2.1 ‐0.85 ‐2.31 ‐0.13 1.38 ‐0.08 ‐0.37 ‐2.09 ‐1.92 5.76 1.19 ‐1.01 ‐2.84 0.69 ‐0.24 ‐0.2 0.6 ‐0.33 0.23 0.2 ‐0.13 1.19 3.74 ‐0.45 ‐0.44 ‐1.77 early JPN CHN SUN USA FRA ITA ESP BEL PRT KOR NLD AUT IND MEX GRC BRA IRL FIN CAN DNK ARG AUS ZAF SWE TUR GBR IDN DEU Table 7: RMC Country Rankings and Gowth Rates from the Early Period (1981‐1990) to the Late Period (1997‐2006). PS late JPN ITA BEL FRA USA ESP GRC DNK NLD FIN IRL MEX PRT AUT CAN CHN KOR SWE BRA ARG IND GBR IDN AUS ZAF TUR SUN DEU gr.rate* 1.59 ‐0.5 ‐0.39 0.03 0.18 0.33 ‐0.84 ‐1.14 ‐0.04 ‐0.83 ‐0.71 ‐0.26 0.34 ‐0.11 ‐0.77 1.91 0.42 ‐1.06 ‐0.17 ‐0.6 0.21 ‐1 ‐0.98 ‐0.26 0.24 ‐0.11 2.73 ‐0.75