Explaining Import Variety and Quality: The Role of the Income Distribution
Yo Chul Choi
Bank of Korea - Research Department
David L. Hummels
Purdue University - Department of Economics; National Bureau of Economic Research (NBER)
Purdue University - Krannert School of Management
NBER Working Paper No. w12531
We examine a generalized version of Flam and Helpmanâ€TMs (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.
Number of Pages in PDF File: 55working papers series
Date posted: September 25, 2006
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