Managers and researchers alike suspect that the vast amounts of qualitative information found in blogs, product reviews, real estate listings, news stories, analyst reports and experts' advice influence consumer behavior. But, do these kinds of qualitative information impact or rather reflect...

Online marketplace designers frequently run A/B tests to measure the impact of proposed product changes. However, given that marketplaces are inherently connected, total average treatment effect estimates obtained through Bernoulli randomized experiments are often biased due to violations of the...

Most models of social contagion take peer exposure to be a corollary of adoption, yet in many settings, the visibility of one's adoption behavior happens through a separate decision process. In online systems, product designers can define how peer exposure mechanisms work: adoption behaviors can...

Manheim Interactive is a subsidiary of Manheim Auctions, a 55-year old brickand-mortar firm that is the number one player in offline vehicle remarketing. Since 1996, Manheim has been remarketing used automobiles over the Internet. Manheim Interactive has found that the strength of the Manheim...