This paper considers the history of key words used in Marketing Science to develop insights regarding the evolution of marketing science. Several findings emerge. First, pricing and game theory are the most ubiquitous words. More generally, the 3C’s and 4P’s predominate, suggesting key words...

Due to the informational advantage of online marketplaces (i.e., platforms), it is a common belief that a platform's market entry will be detrimental to third-party sellers who sell similar products on the platform. To examine the validity of this belief, we conduct an exploratory analysis using...

Expert opinion exerts tremendous influence on the purchase journey, but its effect on overall consumer experience is ambiguous as it can give rise to both “expectation” and “reputation” effects. This paper explores the effect of expert opinions on consumer experience via the lens of...

In many digital contexts such as online news and e-tailing with many new users and items, recommendation systems face several challenges: i) how to make initial recommendations to users with little or no response history (i.e., cold-start problem), ii) how to learn user preferences on items...

By analyzing a large-scale transactions data set from a grocery chain, we observe that customers arrive randomly at a non-stationary rate, they usually purchase multiple products together and in continuous quantity, and products are often out of stock. However, extant demand estimation methods...