This paper considers recent proposals for restricting keyword advertising using competitor brand names. Keyword … advertising is similar to many other widely used and valuable methods of marketing to the customers of rivals that increase … competition and facilitate entry. Queries for products or services using search engines help inform consumers about other …

, I further study how several factors, including competition by a large number of sellers, would affect the equilibrium …

We show how increased competition in a media market may have implications for the competition between firms that are … advertising in that medium. We apply a simple model of a product market with network externalities where firms buy advertising … advertising affects the demand for the advertised products …

are present, we find a positive, statistically significant impact of brand ads of 1-4%, with larger brands having a … focal brand's clicks and raise its costs by shifting traffic to the paid link. Finally, for a set of brands that face … competition on their brand search but choose not to advertise, competitors “steal” 18-42% of clicks, suggesting a strong causal …

The rising phenomenon of private label brands across the globe has given grocery retailers new areas for competition … and growth. As a result, this has spiralled competition between private label brands (PLBs) and national brands (NBs … and national brands has also seen new trajectories. The purpose was to review earlier and current competition and identify …

competition on dealer and manufacturer advertising. I find that greater intra-brand dealer competition is associated with lower … differences in retail competition across brands and markets. I use this variation to identify the causal effect of dealer … dealer advertising and greater local advertising by manufacturers. The results are evidence that manufacturers can encourage …

-setting game with heterogeneous consumers and two firms that produce different brands. Some consumers prefer one brand, others …This paper studies the impact of competition on the benefits of advance selling. I construct a two-period price … prefer the other brand. Consumers derive common value from their preferred brand, but they differ in how strongly they …