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Improving Information from Manipulable Data

Alex Frankel and Navin Kartik

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Abstract: Data-based decisionmaking must account for the manipulation of data by agents who are aware of how decisions are being made and want to affect their allocations. We study a framework in which, due to such manipulation, data becomes less informative when decisions depend more strongly on data. We formalize why and how a decisionmaker should commit to underutilizing data. Doing so attenuates information loss and thereby improves allocation accuracy.

Date: 2019-08, Revised 2021-02
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Handle: RePEc:arx:papers:1908.10330