The phenomenal rise of the platform economy has reshaped how economies operate across the world. The importance of digital platforms has never been more evident than in combatting the ongoing corona virus (Covid-19) pandemic. Even with the threat of a global recession looming large, technology...

It is widely believed that vertical integration in an environment without foreclosure, or more generally without any mechanism that restricts competition among firms, raises the welfare of consumers. In this paper we show that this can be overturned in a standard setting. We consider a vertical...

We develop a two-stage game in which competing airlines first choose the networks of markets to serve in the first stage before competing in price in the second stage. Spillovers in entry decisions across markets are allowed, which accrue on the demand, marginal cost, and fixed cost sides. We...