The focus should be on making the model as good as it can be for all races, not "equity". If for some reason the model is 60% accurate on blacks and 70% accurate on whites, raising the accuracy for blacks would increase both overall welfare and equity, but reducing the accuracy for whites would improve equity without helping anyone.
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The focus should be on making the model as good as it can be for all races, not "equity". If for some reason the model is 60% accurate on blacks and 70% accurate on whites, raising the accuracy for blacks would increase both overall welfare and equity, but reducing the accuracy for whites would improve equity without helping anyone.