Using detailed trip-level taxi and for-hire-vehicle data and new incident-level complaints data, we study how the entry of Uber and Lyft has affected the quality of taxi services in New York City. In a panel setting with 263 NYC taxi-zones over the time period from 2014 to 2017, we find that...

I study the impact of consumer reviews on the incentives for firms to participate in the market. Firms produce goods of heterogeneous, unknown quality that is gradually revealed via consumer reviews, and face both entry and exit decisions. A platform combines past reviews to construct...

We model mixed-bundle pricing by internet service providers (ISPs) to study their incentive to steer consumers across different subscription options and influence usage decisions. Using unique panel data from an ISP, we test predictions from the model. We find that the ISP’s introduction of...

Firms considering to enter into online markets face significant demand uncertainty and consumer search costs, with consumers most likely finding previously successful products in the market. This leads to a trade-off for potential entrants. Consider the appearance of a new very popular product...

We explore how people balance their needs to belong and to be different from their friends by studying their choices of a virtual-house wall color on a leading Chinese social-networking site. The setting enables us to randomize both the popular color and the adoption rate at the individual level...

We consider a ride-hailing platform that provides free information to taxi drivers. Upon receiving a rider's request, the platform broadcasts the rider's origin and destination to idle drivers, who accept or ignore the request depending on the profitability considerations. We show that providing...

Sharing economy reshapes the distribution of unused or underutilized asset through digital platforms to individuals who are willing to pay for the services. The new economy model has introduced dramatic impact on the traditional industries by matching the demand and supply in real time. In this...

We develop and estimate a structural model of strategic network formation to study the determinants of firms collaborations for patenting new technology in the medical device industry. Our aim is to bridge the strategy literature on interorganizational networks and the economic literature on...

This paper examines the relationship between agency contracts and retail prices when vertical contracts are determined through bargaining. Our model shows that whether agency contracts lead to higher or lower retail prices than traditional wholesale contracts depends on the distribution of...

We provide a theory that unifies the long tail and blockbuster phenomena. Specifically, we analyze a three-stage game where, first, a large number of potential firms make entry decisions, then those who stay in the market decide on the investment in its product, and lastly customers with...