false advertising by a firm in duopolistic competition where consumers can be distinguished according to whether or not they … form rational beliefs about the trustworthiness of advertising claims. We compare private and public law enforcement in the … form of the demand for injunctions against false advertising. From a welfare perspective, we show that it can be optimal …

characteristics and more concerned about hidden quality characteristics. Online retailers rely more on advertising than traditional …. Advertising and revenue data for the online book market reveal that consumers respond to advertising rather than low prices. As … the market increases, advertising costs escalate and there is no new entry. Advertising to sales ratios and market …

buyer into a bad purchase through (costly) deceptive advertising. We characterize the equilibrium set of the game and argue …

vertical product differentiation,incomplete consumer awareness, and perfect information exchange between retailers.Advertising … and revenue data for the online book market reveal that consumers respondto advertising rather than low prices. As the … market increases, advertising costs escalateand there is no new entry. Advertising to sales ratios and market concentration …

engage in deceptive advertising, potentially fooling a buyer into thinking the product is better than it is. Although … deceptive advertising might seem to harm the buyer, we show that he could be better off when the low-quality seller can engage … in deceptive advertising than not. We characterize the optimal deterrence rule that a regulatory agency seeking to punish …