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School choice: Impossibilities for affirmative action

Fuhito Kojima

Games and Economic Behavior, 2012, vol. 75, issue 2, 685-693

Abstract: This paper investigates the welfare effects of affirmative action policies in school choice. We show that affirmative action policies can have perverse consequences. Specifically, we demonstrate that there are market situations in which affirmative action policies inevitably hurt every minority student – the purported beneficiaries – under any stable matching mechanism. Furthermore, we show that another famous mechanism, the top trading cycles mechanism, suffers from the same drawback.

Keywords: Matching; Stability; School choice; Affirmative action; Deferred acceptance; Top trading cycles (search for similar items in EconPapers)
JEL-codes: C70 D61 (search for similar items in EconPapers)
Date: 2012
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Handle: RePEc:eee:gamebe:v:75:y:2012:i:2:p:685-693