Racial bias, colorism, and overcorrection

Kenneth Colombe, Alex Krumer, Rosa Lavelle-Hill and Tim Pawlowski

Papers from arXiv.org

Abstract: This paper examines whether increased awareness can affect racial bias and colorism. We exploit a natural experiment from the widespread publicity of Price and Wolfers (2010), which intensified scrutiny of racial bias in men's basketball officiating. We investigate refereeing decisions in the Women's National Basketball Association (WNBA), an organization with a long-standing commitment to diversity, equity, and inclusion (DEI). We apply machine learning techniques to predict player race and to measure skin tone. Our empirical strategy exploits the quasi-random assignment of referees to games, combined with high-dimensional fixed effects, to estimate the relationship between referee-player racial and skin tone compositions and foul-calling behavior. We find no racial bias before the intense media coverage. However, we find evidence of overcorrection, whereby a player receives fewer fouls when facing more referees from the opposite race and skin tone. This overcorrection wears off over time, returning to zero-bias levels. We highlight the need to consider baseline levels of bias before applying any prescription with direct relevance to policymakers and organizations given the recent discourse on DEI.

Date: 2025-08, Revised 2025-09
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