We set up a game-theoretic model to examine the oligopolistic price competition, considering two features of online search: the existence of a common search ordering and shoppers who have non-positive search cost. We find that in equilibrium firms set their prices probabilistically rather than...

This paper analyzes how the presence of organic listing as a competing information source affects advertisers' sponsored bidding and the equilibrium outcomes in search advertising. We consider a game-theoretic model in which two firms bid for sponsored advertising slots provided by a...

We study compatibility decisions of two competing platform owners that generate profits through both hardware sales and royalties from content sales. We consider a game-theoretic model in which two platforms offer different standalone utilities to users. We find that incentives to establish...

This dissertation explores several aspects of the theory in industrial organization.The first chapter builds a model with two cost asymmetric firms who not only have Cournot competition in the spot market but also have the opportunity to trade forward contracts. It is shown that with forward...