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Autor, David H.
Dorn, David
Katz, Lawrence F.
Patterson, Christina
Reenen, John Van
Year of Publication: 
Series/Report no.: 
CESifo Working Paper No. 6336
Center for Economic Studies and ifo Institute (CESifo), Munich
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 characterized 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.
Document Type: 
Working Paper

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