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Growth, Expansion of Markets, and Income Elasticities in World Trade

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  • Yi Wu

Abstract

The Houthakker-Magee effect implies that a country facing unfavorable income elasticities in trade must either grow at a slower rate than its trading partners or experience a trend worsening of its current account and/or depreciation of its real exchange rate. Krugman (1989) first documented the existence of a “45-degree rule” under which relative income elasticities are systematically related to relative growth rates. In this paper, we develop and test an intertemporal current account model in which Krugman’s original 45-degree rule is a special case. The result suggests that secular trends in current accounts and/or real exchange rates are much smaller than one would have projected based on conventional income elasticities.

Suggested Citation

  • Yi Wu, 2005. "Growth, Expansion of Markets, and Income Elasticities in World Trade," IMF Working Papers 05/11, International Monetary Fund.
  • Handle: RePEc:imf:imfwpa:05/11
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    Cited by:

    1. Francisco, Ruth & Wan, Guanghua, 2009. "How is the Global Recession Impacting on Poverty and Social Spending? An ex ante assessment methodology with applications to developing Asia," MPRA Paper 18885, University Library of Munich, Germany.
    2. Auboin, Marc & Borino, Floriana, 2017. "The falling elasticity of global trade to economic activity: Testing the demand channel," WTO Staff Working Papers ERSD-2017-09, World Trade Organization (WTO), Economic Research and Statistics Division.
    3. Bilge Erten, 2010. "Industrial Upgrading and Export Diversification: A Comparative Analysis of Economic Policies in Turkey and Malaysia," Working Papers id:2778, eSocialSciences.
    4. Kuikeu, Oscar, 2011. "Arguments contre la zone franc
      [Against the cfa franc zone]
      ," MPRA Paper 33710, University Library of Munich, Germany.
    5. Kwack, Sung Yeung & Ahn, Choong Y. & Lee, Young S. & Yang, Doo Y., 2007. "Consistent estimates of world trade elasticities and an application to the effects of Chinese Yuan (RMB) appreciation," Journal of Asian Economics, Elsevier, vol. 18(2), pages 314-330, April.

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