The long-term impact of trade with firm heterogeneity

Guzmán Ourens*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

Abstract

This paper explores the welfare effects of openness in a setting with firm heterogeneity and country asymmetry and presents results in terms of the well-known formula from Arkolakis et al. (Am Econ Rev 102(1):94–130, 2012). By allowing agents to save and the economy to grow, new channels for the welfare effects of openness appear, since firm selection affects the value of accumulated savings and the average efficiency of the economy, and therefore its future growth rate. Country asymmetry yields differentiated, and in some cases opposite, results between countries. In line with the empirical literature, net welfare effects in each region depend on countries’ specific conditions and losses may occur. A numerical exercise fits the model to the UK and EU economies to show the magnitude and direction that each effect can take if trade barriers increase between them. It is shown that welfare losses for UK consumers can be greatly underestimated if asymmetries and dynamics are removed from the analysis.

Original languageEnglish
Pages (from-to)887-919
Number of pages33
JournalReview of World Economics
Volume156
Issue number4
DOIs
Publication statusPublished - 1 Nov 2020

Keywords

  • Asymmetric countries
  • Expanding varieties
  • Firm heterogeneity
  • Trade liberalization
  • Welfare

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