Online word‐of‐mouth (WOM) can impact consumers' product evaluations, purchase
intentions, and choices—but when does it do so? How do those receiving WOM know …

In this research, the authors investigate the prevalence, robustness, and possible reasons
underlying the polarity of online review distributions, with the majority of the reviews at the …

This paper takes an exploratory approach to analyze reactions to game‐based assessments
(GBAs) by examining users' reviews of GBA mobile applications. In this study, we explore …

Reputation systems are used by nearly every digital marketplace, but designs vary and the
effects of these designs are not well understood. We use a large-scale experiment on Airbnb …

Representative online customer reviews are critical to the effective functioning of the Internet
economy. In this study, I investigate the representativeness of online review distributions to …

In this research, we investigate the prevalence and possible reasons underlying the so-
called extreme distribution of reviews in which reviews are heavily skewed to the positive …

We study how user-generated content (UGC) about new products impacts a firm's
advertising and pricing decisions and the effect on profits and market dynamics. We …

Online ratings play an important role in many markets. We study the often disputed
information content of these ratings, by proposing a reduced-form Bayesian model of the …

This dissertation is composed of three chapters. The first, jointly authored with ** Huang
and Yuxin Chen, both from NYU-Shanghai, explores the economic role of price trackers. The …

Online ratings play an important role in many markets. We study the often disputed
information content of these ratings, by proposing a reduced-form Bayesian model of the …