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Market power and wages: evidence from Brazil

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  • Pedro Cavalcanti Gonçalves Ferreira

Abstract

Purpose - The paper examines the impact of market power on wages within the context of a developing country, focusing on Brazil. Design/methodology/approach - With access to matched employer–employee data from Brazil, we first characterized the evolution of the local labor market concentration (Municipality Herfindahl–Hirschman Index [HHI]). Then, we built a fixed-effect model with instrumental variables to verify the association between the local labor market concentration and wages. Finally, a difference-in-difference (DiD) was implemented to verify whether a merger transaction impacted the workers’ earnings in the Brazilian banking sector. Findings - The paper’s findings suggest that there may be a negative relationship between market power and workers’ earnings. Originality/value - This research conducted an in-depth investigation of the labor market power in a developing country. As far as we know, our work is the first to evaluate the extension of local concentration in Brazilian formal labor markets and to illustrate its evolution over the last decades. Additionally, when going through the effects of market concentration on wages, we use a new identification strategy that explores changes in the HHI that are caused by national trends in an industry as a source of exogenous variation. Finally, the last part of the paper assesses the effects of antitrust policy on the labor market, a kind of investigation that is still scarce.

Suggested Citation

  • Pedro Cavalcanti Gonçalves Ferreira, 2024. "Market power and wages: evidence from Brazil," EconomiA, Emerald Group Publishing Limited, vol. 26(1), pages 1-24, September.
  • Handle: RePEc:eme:econpp:econ-12-2023-0214
    DOI: 10.1108/ECON-12-2023-0214
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