Ad-blockers enable consumers to block ads on websites. While ad-blockers began as user-oriented initiatives promising to block all ads, many now allow limited display of ads. Much of the ensuing debate has questioned the role and intent of the ad-blocker, viewing ad-blocking as a zero-sum game...

Many products have different attributes which appeal to the different segments of the market. We investigate how firms should position their products in a multi-attribute product market where consumers are heterogeneous in (1) the product attributes that they care about, and (2) their...

Many customers visit several online platforms before making a product purchase. These online platforms often offer multiple "ad positions" that advertisers can obtain via bidding in an auction. The ad positions differ in their "prominence" - the probability of engaging incoming visitors. We...

Many firms buy a production input from a competitor. However, managers often worry that this supply relationship may give their competitor valuable knowledge about new product innovations. We develop a two-period model in which a firm can buy an input from a competitor or a third party in each...