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The Gains from Trade and Policy Reform Revisited


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  • W. Erwin Diewert
  • Alan D. Woodland


The primary purpose of the paper is to provide characterizations of the conditions for welfare improvements in several situations that have received very little attention in the existing literature. The first aim is to exhibit the gains that can accrue to a country from the elimination of excess supplies as a result of a policy move from autarky to free trade. The second aim is to characterize the conditions under which the introduction of new goods into the economy will generate welfare gains. The third main area discussed is the extension of the authors' methodology to a large open economy that can influence its terms of trade. The techniques used to illustrate the gains from eliminating excess supplies and from the introduction of new goods have a much wider applicability; they may be used to obtain and synthesize several welfare results from the literature. Copyright Blackwell Publishing Ltd 2004.

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Bibliographic Info

Article provided by Wiley Blackwell in its journal Review of International Economics.

Volume (Year): 12 (2004)
Issue (Month): 4 (09)
Pages: 591-608

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Handle: RePEc:bla:reviec:v:12:y:2004:i:4:p:591-608

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Cited by:
  1. Jean-Paul Chavas & Zohra Mechemache, 2006. "Efficiency measurements and the gains from trade under transaction costs," Journal of Productivity Analysis, Springer, Springer, vol. 26(1), pages 67-85, August.
  2. Chau, Nancy H. & Fare, Rolf, 2007. "Shadow Pricing Market Access: A Trade Benefit Function Approach," Working Papers, Cornell University, Department of Applied Economics and Management 127015, Cornell University, Department of Applied Economics and Management.
  3. Brox, James A., 2003. "The impact of free trade with the United States on the pattern of Canadian consumer spending and savings," The North American Journal of Economics and Finance, Elsevier, Elsevier, vol. 14(1), pages 69-87, March.
  4. Fujiwara, Kenji, 2008. "A decomposition of gains from trade in a differentiated oligopoly," Japan and the World Economy, Elsevier, Elsevier, vol. 20(3), pages 326-337, August.


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