<p>Antitrust policy in the U.S. now explicitly includes labor-market outcomes as measures of interest when considering the potential anticompetitive effects of mergers or acquisitions. Concentration in the food retailing industry is of particular concern due to several recent high-profile mergers, and a troubling increase in concentration at the national and local levels. We study this problem using both causal reduced-form models and a structural model of search, match, and bargaining. Our reduced-form models show no relationship between concentration and wages, but our structural model finds that concentration is associated with substantial wage suppression.</p>

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Concentration and Wages in Retailing

  • Timothy J. Richards,
  • Ujjwol Paudel,
  • Keenan Marchesi

摘要

Antitrust policy in the U.S. now explicitly includes labor-market outcomes as measures of interest when considering the potential anticompetitive effects of mergers or acquisitions. Concentration in the food retailing industry is of particular concern due to several recent high-profile mergers, and a troubling increase in concentration at the national and local levels. We study this problem using both causal reduced-form models and a structural model of search, match, and bargaining. Our reduced-form models show no relationship between concentration and wages, but our structural model finds that concentration is associated with substantial wage suppression.