Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/214231 
Erscheinungsjahr: 
2020
Schriftenreihe/Nr.: 
DIW Discussion Papers No. 1849
Verlag: 
Deutsches Institut für Wirtschaftsforschung (DIW), Berlin
Zusammenfassung: 
The superstar firms model provides a compelling explanation for two simultaneously occurring phenomena: the rise of concentration in industries and the fall of labor shares. Our empirical analysis confirms two of the underlying assumptions of the model: the market share increases and the labor share decreases with increasing firm-level total factor productivity, providing support for the superstar firms' hypothesis. However, we find no evidence for the underlying mechanism of the model, the distribution of fixed labor costs. Instead, we observe increasing returns to scale that also explain lower labor shares of larger firms.
Schlagwörter: 
superstar firms
total factor productivity
labor share
market share
firm size
JEL: 
D24
E20
L11
Dokumentart: 
Working Paper

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