We utilize the introduction of a mobile payment technology by the largest bank in Singapore in 2017 to study how mobile payment technology reshapes economic activities and stimulates business creation. After the introduction, business-to-consumer industries witnessed a higher growth rate of...

This paper studies the effects of mortgage subsidies and imperfect competition in the U.S. mortgage market. I exploit novel quasi-experimental variation in interest rates generated by the discontinuities in pricing rules and find evidence of advantageous selection. I develop and estimate a rich...

This paper studies whether market structure affects algorithmic recommendations in dominant platforms. We focus on the dual role of Amazon.com---as a platform owner and retailer. We find that products sold by Amazon receive substantially more ``Frequently Bought Together” recommendations...

This paper studies how restricting data exchange between firms affects market competition in the app economy. The identification exploits iOS's privacy policy update, which limits apps from tracking users across other apps using identifiers. We find that the iOS update reduces startup app...

Problem definition: Congestion pricing offers an appealing solution to urban parking problems---charging varying rates across time and space as a function of congestion may shift demand and improve allocation of limited resources. It aims to increase the accessibility of highly desired public...

Online Appendix of “Steering via Algorithmic Recommendations” Chen and Tsai (2019)This paper studies whether self-preferencing affects algorithmic recommendations on dominant platforms. We focus on the dual role of Amazon.com as a platform owner and retailer. We find that products sold by...

We examine the impact of data access within a vertically integrated e-commerce platform. Using a unique daily panel, we find that both the platform owner and third-party sellers base pricing on past sales, but only the owner exploits competitors' sales data. We estimate a price competition model...