We measure the cross-category spillover effects of a retailer changing its assortment at the extensive margin (by dropping an entire category from its portfolio) on the outcomes for its rivals in the industry.By leveraging the quasi-experimental nature of the exit by a national pharmacy chain,...

Public health regulators in the United States are currently advocating for a ban on menthol-flavored cigarettes because they are believed to be more dangerous than traditional non-menthol cigarettes. However, these bans will have limited benefits if consumers are able to circumvent them. We...

Massive Open Online Courses (MOOCs) have the potential to democratize education by improving access. Although retention and completion rates for non-paying users have not been promising, these statistics are much brighter for users who pay to receive a certificate upon completing the course. We...

We evaluate whether and how branded TV product placement affects sales for cigarette brands. We use data on product placement from TV shows and data on retail sales of cigarettes to estimate a demand model that incorporates the level of product placement exposure for each cigarette brand. We...