An external black-box audit of Meta's VRS finds it reduces delivery variance but lowers unique reach and raises cost per person reached, and equal budget splitting outperforms VRS on both.
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External Evaluation of Discrimination Mitigation Efforts in Meta's Ad Delivery
An external black-box audit of Meta's VRS finds it reduces delivery variance but lowers unique reach and raises cost per person reached, and equal budget splitting outperforms VRS on both.