Advertising to a consumer moves her further along the purchase journey, and tracking the consumer's online activities enables the advertiser to infer her purchase journey stage and target her accordingly. However, many consumers dislike being tracked, and repeated advertising leads to ad...

Digital advertising markets are growing and attracting increased scrutiny. This paper explores four market inefficiencies that remain poorly understood: ad effect measurement, frictions between and within advertising channel members, ad blocking and ad fraud. These topics are not unique to...

While millions of products are sold on its retail platform, Amazon.com itself stocks and sells only a small fraction of them. Most of these products are sold by third-party sellers, who pay Amazon a fee for each unit sold. Empirical evidence clearly suggests that Amazon tends to sell high-demand...

We study the bidding strategies of vertically differentiated firms that bid for sponsored search advertisement positions for a keyword at a search engine. We explicitly model how consumers navigate and click on sponsored links based on their knowledge and beliefs about firm qualities. Our model...

Recent privacy regulations and firm policies endow consumers with the choice of whether to allow firms to use their personal data for marketing (and other) purposes. We investigate the impact of consumer data privacy choices on the advertising ecosystem. We consider a scenario with competing...

Several researchers have proposed models of buyer behavior in noncontractual settings that assume that customers are “alive” for some period of time and then become permanently inactive. The best-known such model is the Pareto/NBD, which assumes that customer attrition (dropout or...

Under the store-within-a-store arrangement, retailers essentially rent out their retail space to manufacturers and give them complete autonomy over retail decisions like pricing and in-store service. This intriguing retailing format, also known as vendor shops, boutiques or manufacturer-managed...