We examine how heterogeneity in customers' multi-homing tendencies affects a platform's response to new entrants in its market. We develop a formal model to generate empirical predictions and then test them leveraging a historical setting: TV broadcast station entry into local newspaper markets...

Digital technologies have led to the emergence of many platforms in our economy today. In certain platform networks, buyers in one market purchase services from providers in many other markets, whereas other platform networks may comprise local clusters in which buyers primarily purchase...

The scalability of a marketplace depends on the operations of the marketplace platform as well as its sellers' cost structures and capacities. When fixed costs of entry are high, sellers with small capacities may be deterred from entering the market because of their inability to leverage...