Sharing Audience Data: Strategic Participation in Behavioral Advertising Networks
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I consider the incentives of special interest websites to participate in behavioral advertising intermediaries. Participation in the intermediary reveals valuable audience data and allows the intermediary to use those data to target the site’s audience on general interest websites—thus expanding the supply of impressions and decreasing average revenue per impression. I explore monopoly and duopoly settings and highlight the trade-off between sharing audience data and displaying higher-value ads, as well as the strategic interaction between sites serving the same advertising market. The model generates empirical predictions about the choice of intermediary technologies within advertising markets. I also find that higher concentration among special interest websites benefits consumer privacy.
KeywordsOnline advertising Online privacy Behavioral advertising
This paper benefited greatly from discussions with Lou Silversin and comments by the editor and anonymous referees.
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