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Title: Concentrating on the Fall of the Labor Share

Author(s): David Autor, David Dorn, Lawrence Katz, Christina Patterson and John Van Reenen

Publication Date: January 2017

Keyword(s): Labor Share and Sales Concentration

Programme Area(s): Labour Economics and Macroeconomics and Growth

Abstract: The recent fall of labor's share of GDP in numerous countries is well-documented, but its causes are poorly understood. We sketch a 'superstar firm' model where industries are increasingly characerized by 'winner take most' competition, leading a small number of highly profitable (and low labor share) firms to command growing market share. Building on Autor et al. (2017), we evaluate and confirm two core claims of the superstar firm hypothesis: the concentration of sales among firms within industries has risen across much of the private sector; and industries with larger increases in concentration exhibit a larger decline in labor's share.

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Bibliographic Reference

Autor, D, Dorn, D, Katz, L, Patterson, C and Van Reenen, J. 2017. 'Concentrating on the Fall of the Labor Share'. London, Centre for Economic Policy Research. http://www.cepr.org/active/publications/discussion_papers/dp.php?dpno=11810