We investigate the impact of collaborative filtering recommender algorithms (e.g., Amazon’s “Customers who bought this item also bought”) commonly used in e-commerce on sales diversity. We use data from a randomized field experiment run on the website of a top retailer in North America...

We theorize peer awards’ effects on the volume and novelty of creative user-generated content (UGC) produced at online platform communities. We then test our hypotheses via a randomized field experiment on Reddit, wherein we randomly and anonymously assigned Reddit’s Gold Award to 905...

We develop a field experiment that assesses whether advertising can serve as a signal that enhances consumers' evaluations of advertised goods. We implement the experiment on a mobile search platform that provides listings and reviews for an archetypal experience good, restaurants. In...

Recent advances in advertising technology have lead to the development of “native advertising”, which is a format of advertising that mimics the other non-sponsored content on the medium. While advertisers have rapidly embraced the format on a variety of digital media, regulators have...