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Explaining Import Variety and Quality: The Role of the Income Distribution

  • Yo Chul Choi
  • David Hummels
  • Chong Xiang

We examine a generalized version of Flam and Helpman’s (1987) model of vertical differentiation that maps cross-country differences in income distributions to variations in import variety and price distributions. The theoretical predictions are examined and confirmed using micro data on income from the Luxemburg Income Study for 30 countries over 20 years. The pairs of importers whose income distributions look more similar have more export partners in common and more similar import price distributions. Similarly, the importers whose income distributions look more like the world buy from more exporters and have import price distributions that look more like the world.

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File URL: http://www.nber.org/papers/w12531.pdf
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 12531.

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Date of creation: Sep 2006
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Publication status: published as Choi, Yo Chul, David Hummels, and Chong Xiang. “Explaining Import Quality: the Role of the Income Distribution." Journal of International Economics 77 (2009): 265-276.
Handle: RePEc:nbr:nberwo:12531
Note: ITI
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