par Bounie, David;Dubus, Antoine ;Waelbroeck, Patrick
Référence The Rand journal of economics, 52, 2, page (283-313)
Publication Publié, 2021-06
Article révisé par les pairs
Résumé : This article investigates the strategies of a data broker selling information to one or to two competing firms. The data broker combines segments of the consumer demand that allow firms to third-degree price discriminate consumers. We show that the data broker (1) sells information on consumers with the highest willingness to pay; (2) keeps consumers with low willingness to pay unidentified. The data broker strategically chooses to withhold information on consumer demand to soften competition between firms. These results hold under first-degree price discrimination, which is a limit case when information is perfect.

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