Privacy, Personalization, and Price Discrimination

Sinem Hidir and Nikhil Vellodi

Journal of the European Economic Association, 2021, vol. 19, issue 2, 1342-1363

Abstract: We study a bilateral trade setting in which a buyer has private valuations over a multi-product seller’s inventory. We introduce the notion of an incentive-compatible market segmentation (IC-MS)—a market segmentation compatible with the buyer’s incentives to voluntarily reveal their preferences. Our main result is a characterization of the buyer-optimal IC-MS. It is partially revealing, comprised primarily of pooling segments wide enough to keep prices low but narrow enough to ensure trade over relevant products. We use our results to study a novel design problem in which a retail platform seeks to attract consumers by calibrating the coarseness of its search interface. Our analysis speaks directly to consumer privacy and the debate regarding product steering versus price discrimination in online retail.

Date: 2021
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Citations: View citations in EconPapers (20)

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Working Paper: Privacy, Personalization, and Price Discrimination (2021)
Working Paper: Privacy, Personalization, and Price Discrimination (2021)
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Persistent link: https://EconPapers.repec.org/RePEc:oup:jeurec:v:19:y:2021:i:2:p:1342-1363.

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