Discussion Paper Details

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

Author(s): Lorenzo Caliendo, Robert Feenstra, John Romalis and Alan M. Taylor

Publication Date: November 2015

Keyword(s): bilateralism, gains from trade, input- output linkages, monopolistic competition, multilateralism and trade policy

Programme Area(s): International Trade and Regional Economics

Abstract: 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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Bibliographic Reference

Caliendo, L, Feenstra, R, Romalis, J and Taylor, A. 2015. 'Tariff Reductions, Entry, and Welfare: Theory and Evidence for the Last Two Decades'. London, Centre for Economic Policy Research.