Fairness and Frictions: The Impact of Unequal Raises on Quit Behavior

Authors:
  • ADArindrajit Dube
    Arindrajit Dube
  • LGLaura Giuliano
    Laura Giuliano
  • JLJonathan Leonard
    Jonathan Leonard
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  • 1 January 2018
Abstract
We analyze how separations responded to arbitrary differences in own and peer wages at a large U.S. retailer. Regression-discontinuity estimates imply large causal effects of own wages on separations, and on quits in particular. However, this own-wage response could reflect comparisons either to market wages or to peer wages. Estimates using peer-wage discontinuities show large peer-wage effects and imply the own-wage separation response mostly reflects peer comparisons. The peer effect is driven by comparisons with higher-paid peers—suggesting concerns about fairness. Separations appear fairly insensitive when raises are similar across peers—suggesting search frictions and monopsony are relevant in this low-wage sector.
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