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How reasonable are assumptions used in theoretical models? Computational evidence on the likelihood of trade pattern changes

Author

Listed:
  • Lisandro Abrego
  • Raymond Riezman
  • John Whalley

Abstract

In theoretical literature it is common to make the assumption that in a multi-country, multi-good world, the direction of trade (import and export by commodity) is predetermined and fixed for each good for each country. We consider a simple three-country, three-good, pure-exchange model with CES preferences. We compute free trade competitive equilibria, three-country non-cooperative Nash equilibria, and customs union equilibria for randomised parameterizations, and find that trade pattern changes between free trade and customs union equilibria in around 35% of cases.

Suggested Citation

  • Lisandro Abrego & Raymond Riezman & John Whalley, 2006. "How reasonable are assumptions used in theoretical models? Computational evidence on the likelihood of trade pattern changes," Canadian Journal of Economics, Canadian Economics Association, vol. 39(3), pages 781-789, August.
    • Handle: RePEc:cje:issued:v:39:y:2006:i:3:p:781-789
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    Cited by:

    1. Chattopadhyay, Subir & Mitka, Malgorzata M., 2019. "Nash equilibrium in tariffs in a multi-country trade model," Journal of Mathematical Economics, Elsevier, vol. 84(C), pages 225-242.
    2. Bekkers, Eddy & Teh, Robert, 2019. "Potential Economic Effects of a Global Trade Conflict: Projecting the medium-run effects with the WTO Global Trade Model," Conference papers 333120, Purdue University, Center for Global Trade Analysis, Global Trade Analysis Project.
    3. Bekkers, Eddy & Teh, Robert, 2019. "Potential economic effects of a global trade conflict: Projecting the medium-run effects with the WTO global trade model," WTO Staff Working Papers ERSD-2019-04, World Trade Organization (WTO), Economic Research and Statistics Division.

    More about this item

    JEL classification:

    • F10 - International Economics - - Trade - - - General
    • F13 - International Economics - - Trade - - - Trade Policy; International Trade Organizations
    • F15 - International Economics - - Trade - - - Economic Integration

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