Evaluating Trade Reform Using Ex-Post Criteria

46 Pages Posted: 26 Aug 2000 Last revised: 25 Apr 2021

See all articles by Jiandong Ju

Jiandong Ju

University of Oklahoma - Department of Economics; Tsinghua University - PBC School of Finance

Kala Krishna

Pennsylvania State University - Department of Economics; National Bureau of Economic Research (NBER)

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Date Written: August 1997

Abstract

In contrast to existing work which takes an ex-ante approach and looks for policy prescriptions which yield welfare improvements, we take an ex-post approach. We ask whether there are indicators which show whether welfare has risen or not in the wake of a reform. That is, we look for evidence of welfare improvements in outcome space. Necessary and sufficient conditions for welfare improving trade reform are derived. These conditions are shown to be useful in evaluating Free Trade Areas and in reforming Article XXIV of GATT.

Suggested Citation

Ju, Jiandong and Krishna, Kala, Evaluating Trade Reform Using Ex-Post Criteria (August 1997). NBER Working Paper No. w6152, Available at SSRN: https://ssrn.com/abstract=225915

Jiandong Ju (Contact Author)

University of Oklahoma - Department of Economics ( email )

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Tsinghua University - PBC School of Finance

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Kala Krishna

Pennsylvania State University - Department of Economics ( email )

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National Bureau of Economic Research (NBER)

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