Inter-Industry Wage Differentials and Unobserved Ability: Siblings Evidence from Five Countries

Anders Bjorklund (), Bernt Bratsberg (), Tor Eriksson (), Markus Jäntti and Oddbjörn Raaum
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Markus Jäntti: Åbo Akademi University
Oddbjörn Raaum: Ragnar Frisch Centre for Economic Research

No 1080, IZA Discussion Papers from Institute for the Study of Labor (IZA)

Abstract: This paper examines the role of unobserved ability in explaining inter-industry wage differentials, drawing on data on brothers. Such data allow us to account for unmeasured abilities due to common family and community factors shared by siblings. Important advantages of this approach are that we do not rely on assumptions of exogenous job mobility and that estimates reflect long-run wage differentials rather than short-run differences following switch of industry. The data sets come from four of the Nordic countries and the United States. We find that, in the Nordic countries, only a moderate proportion of the variability in industry wages is due to unobserved ability, while unmeasured factors explain as much as half of the industry wage variation observed in the United States. Accounting for such differences, we show that the U.S. inter-industry wage dispersion is similar to those of the Nordic countries.

Keywords: inter-industry wage differentials; unobserved ability; siblings (search for similar items in EconPapers)
JEL-codes: J31 J62 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-lab
Date: 2004-03
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