NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Tariff Reductions, Entry, and Welfare: Theory and Evidence for the Last Two Decades

Lorenzo Caliendo, Robert C. Feenstra, John Romalis, Alan M. Taylor

NBER Working Paper No. 21768
Issued in December 2015
NBER Program(s):   ITI

We use a multi-sector, heterogeneous-firm trade model to study the trade and welfare effects of commercial policy. We show that the effect of tariffs on entry, especially in the presence of production linkages, can reverse the traditional positive optimal-tariff argument. We then use a new tariff dataset, and apply it to a 189-country, 15-sector version of our model, to quantify the trade, entry, and welfare effects of trade liberalization over the period 1990-2010. We find that the impact on firm entry was larger in Advanced relative to Emerging and Developing countries; that more than 90% of the gains from trade are a consequence of the reductions in MFN tariffs (the Uruguay Round); and that for some countries, particularly some Emerging and Developing countries, there are additional gains from a further move to complete free trade. The countries gaining from the elimination of tariffs have a strong rank correlation with those that gain from a negative optimal tariff, which comprise one-quarter of the countries in the world.

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This paper was revised on December 13, 2016

Machine-readable bibliographic record - MARC, RIS, BibTeX

Document Object Identifier (DOI): 10.3386/w21768

 
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