Trade at the margin: Estimating the economic implications of preferential trade agreements

Gabriele Spilker, Thomas Bernauer, In Song Kim, Helen Milner, Iain Osgood, Dustin Tingley

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Preferential Trade Agreements (PTAs) have become the most prevalent form of international trade liberalization in recent decades, even though it remains far from clear what their effects on economies and their key units, firms, are. This paper evaluates the distributional consequences of trade liberalization within industries differentiating two distinct aspects in which trade liberalization could result in higher trade flows: the intensive vs. the extensive margin of trade. In particular, we analyze whether trade liberalization leads to increased trade flows because either firms trade more volume in products they have already traded before (intensive margin) or because they start to trade products they have not traded previously (extensive margin), or both. We test these arguments for the Dominican Republic–Central America–United States Free Trade Agreement (CAFTA-DR) and exporting firms based in Costa Rica for the time-period 2008–2014. The results of our study suggest that the effects of CAFTA-DR depend not only on whether we analyze the extensive versus the intensive margin of trade but also whether the product in question is homogenous or differentiated and whether the exporting firm under analysis is small or large. In particular, we find support for the theoretical expectation that firms exporting heterogeneous products, such as textiles, gain from trade agreements, such as CAFTA-DR, in that they can export more varieties of their products. Yet at the same time, they tend to lose at the intensive margin by a reduction in their trade volume while the opposite pattern occurs for firms exporting homogenous products.

Original languageEnglish (US)
Pages (from-to)189-242
Number of pages54
JournalReview of International Organizations
Volume13
Issue number2
DOIs
StatePublished - Jun 1 2018

All Science Journal Classification (ASJC) codes

  • Economics and Econometrics
  • Political Science and International Relations

Keywords

  • Extensive margin of trade
  • Intensive margin of trade
  • Preferential trade agreements
  • Product differentiation

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