Does firm size really affect earnings?

Mans M. Soderbom (), Francis John Teal and Anthony Wambugu
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Anthony Wambugu: Department of Economics, Göteborg University.

Development and Comp Systems from EconWPA

Abstract: In this paper we investigate the implications of labour and capital market imperfections for the relationship between firm size and earnings. To establish that such a question is of interest we need to show that the firm size-wage effect cannot be explained by either the observed or unobserved skills of the workforce or the characteristics of the workplace. To do that we require data where controls are possible for observable time-varying firm and worker characteristics, as well as the unobservable characteristics of both the firm and its workers. Our data is a sample of workers matched with firms over time so such controls are possible. Changes in wages are shown to respond to changes both to profits per employee and the size of the firm. It is argued that these empirical results clearly reject the hypothesis that the firm-size relationship can be explained by the skills of the workers. They can be shown to be consistent with some forms of non-competitive theories of bargaining and efficiency wages.

Keywords: Skills; efficiency wages; bargaining; firm size; earnings; AAfrican manufacturing (search for similar items in EconPapers)
JEL-codes: J3 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-lab
Date: Written 2004-09-15
Note: Type of Document - pdf; pages: 38
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