prices and features of goods without incurring search costs. The platform alleviates sellers' competition by charging them …

In this paper, we address how targeting and consumer multi-homing impact platform competition and market equilibria in … importance of attracting consumers. Previous literature has shown that this could result in fierce price competition if consumers … rival platforms. Hence, multi-homing softens the competition over consumers. We show that this might imply that equilibrium …

We analyze platform competition where user data is collected to improve adtargeting. Considering that users incur … overall competition is weak or if targeting benefits are low, too much private data is collected, and vice-versa. Further, we … find that softer competition on either market side leads to more data collection, which implies substitutability between …