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A Welfare Decomposition in Quasi-Linear Economies

  • Taiji Furusawa

    (Hitotsubashi University)

  • Hideo Konishi

    ()

    (Boston College)

We propose a decomposition of social welfare when consumers' preferences are described by quasi-linear utility functions. In our decomposition, social welfare is expressed as the sum of consumers' gross utilities and trade surplus of non-numeraire goods, whose consumption enters utility functions non-linearly. This decomposition is useful especially when we assess the impact of trade liberalization on individual countries. We propose a decomposition of social welfare when consumers' preferences are described by quasi-linear utility functions. In our decomposition, social welfare is expressed as the sum of consumers' gross utilities and trade surplus of non-numeraire goods, whose consumption enters utility functions non-linearly. This decomposition is useful especially when we assess the impact of trade liberalization on individual countries.

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Paper provided by Boston College Department of Economics in its series Boston College Working Papers in Economics with number 569.

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Length: 8 pages
Date of creation: 27 Aug 2003
Date of revision:
Publication status: Published, Economics Letters 85, 29-34, 2004.
Handle: RePEc:boc:bocoec:569
Contact details of provider: Postal: Boston College, 140 Commonwealth Avenue, Chestnut Hill MA 02467 USA
Phone: 617-552-3670
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Web page: http://fmwww.bc.edu/EC/
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  1. Bagwell, Kyle & Staiger, Robert W., 2001. "Reciprocity, non-discrimination and preferential agreements in the multilateral trading system," European Journal of Political Economy, Elsevier, vol. 17(2), pages 281-325, June.
  2. Taiji Furusawa & Hideo Konishi, 2002. "Free Trade Networks," Boston College Working Papers in Economics 548, Boston College Department of Economics, revised 08 Sep 2003.
  3. Robert W. Staiger & Kyle Bagwell, 1999. "An Economic Theory of GATT," American Economic Review, American Economic Association, vol. 89(1), pages 215-248, March.
  4. Paul Krugman, 1991. "The move toward free trade zones," Economic Review, Federal Reserve Bank of Kansas City, issue Nov, pages 5-25.
  5. Glenn W. Harrison & Thomas F. Rutherford & Ian Wooton, 1993. "An Alternative Welfare Decomposition for Customs Unions," Canadian Journal of Economics, Canadian Economics Association, vol. 26(4), pages 961-68, November.
  6. Kowalczyk, Carsten, 2000. "Welfare and Integration," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 41(2), pages 483-94, May.
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