The prevalence and widespread usage of email has given businesses a direct and cost effective way of providing consumers with targeted discount offers. While these discounts are expected to increase the demand for the promoted products, are they effective in increasing revenues? Do they have...

We measure the effects of pre- and post-release blog volume, blog valence and advertising on the performance of 75 movies in 208 geographic markets of the U.S. We attribute the variation in blog effects across markets to differences in demographic characteristics of markets combined with...

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...

In collaboration with three companies selling a diverse set of products, we conducted randomized field experiments in which experimentally tailored email ads were sent to millions of individuals. We found consistently that personalizing the emails by adding consumer-specific information (e.g.,...

One of the major advances of the digital economy is the facilitation of building and managing individual customer relationships - a process usually referred to as "customer relationship management" or CRM. For a typical web site selling frequently-purchased consumer items, the most important...