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Please use this identifier to cite or link to this item: http://hdl.handle.net/1783.1/7463
Title: A model of trade with Ricardian comparative advantage and intra-sectoral firm heterogeneity
Authors: Fan, Haichao
Lai, Edwin L. -C.
Qi, Steffan Han
Keywords: Inter-industry trade
Intra-industry trade
Heterogeneous firms
Trade liberalization
Issue Date: Nov-2011
Series/Report no.: CESifo Working Paper No. 3634
Abstract: In this paper, we merge the heterogenous firm trade model of Melitz (2003) with the Ricardian model of Dornbusch, Fisher and Samuelson (DFS 1977) to explain how the pattern of international specialization and trade is determined by the interaction of comparative advantage, economies of scale, country sizes and trade barriers. The model is able to capture the existence of inter-industry trade and intra-industry trade in a single unified framework. It explains how trade openness affects the pattern of international specialization and trade. The paper examines the generality of Melitz's firm selection effect in a multi-sectoral setting. Although opening to trade is unambiguously welfare-improving in both countries, trade liberalization can lead to a counter-Melitz effect in the larger country if it is insufficiently competitive in the sectors where it has the strongest comparative disadvantage but still produces. In this case, the productivity cutoff for survival is lowered while the exporting cutoff increases in the face of trade liberalization. This is because the inter-sectoral resource allocation (IRA) effect dominates the Melitz effect in these sectors. Consequently, the larger country can lose from trade liberalization. Some hypotheses related to firms' exporting behavior across sectors upon opening up to trade and upon trade liberalization are also derived. Analyses of data of Chinese manufacturing sectors confirm these hypotheses.
URI: http://hdl.handle.net/1783.1/7463
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