The Impact of e-Visits on Visit Frequencies and Patient Health: Evidence from Primary Care

Published Research

Secure messaging, or “e-visits,” between patients and providers has sharply increased in recent years, and many hope they will help improve healthcare quality, while increasing provider capacity. Using a panel data set from a large healthcare system in the United States, we find that e-visits trigger about 6% more office visits, with mixed results on phone visits and patient health.Read More

Is Tom Cruise Threatened? An Empirical Study of the Impact of Product Variety on Demand Concentration

Published Research

We empirically examine the impact of expanded product variety on demand concentration using large data sets from the movie rental industry as our test bed. We find that product variety is likely to increase demand concentration.Read More

Social Is the New Financial: How Startup Social Media Activity Influences Funding Outcomes

Working Papers

In this project, we explore the impact of startup firms’ social media activities on their entrepreneurial financing performance. Social media can mitigate information problems in entrepreneurial financing in two ways.Read More

Big Data, Information Technology, and Firm Performance

Working Papers

This study focuses on how data analytics talent in firms can have an effect on firms’ return on their technology investment. Especially with the rise of social media, cloud computing, as well as many other technologies that can capture detailed digital trace about various human interactions, we hope to understand how some firms can capture the value of the data and gain competitive advantage while some could not.Read More

Price Effects in Online Product Reviews: An Analytical Model and Empirical Analysis

Published Research

Consumer reviews may reflect not only perceived quality but also the difference between quality and price (perceived value). In markets where product prices change frequently, these price-influenced reviews may be biased as a signal of product quality when used by consumers possessing no knowledge of historical prices.Read More