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Disparate Impact and the Unity of Equality Law

2016, Boston University Law Review

Abstract

This Article offers a new theory of disparate impact liability. This theory emerges from and advances a unified account of employment discrimination law as a whole. Like disparate treatment and non-accommodation, disparate impact claims target a distinctive injury to individuals: suffering workplace harm because of one’s race, sex, disability or other protected status. That injury of “status causation” offends basic commitments to equality and individual freedom. Rather than focusing on employers’ decision-making processes or on social hierarchy between groups, this approach draws directly from statutory text emphasizing causation and individual harm.A disparate impact claim’s statistical comparison of group outcomes provides evidence that individuals have suffered status causation. Group outcomes are constructed by aggregating individual outcomes. Disparities between group outcomes can emerge only if many individual group members suffer harm because of their protected status (statu...