We extend the theory of advertising as a quality signal, using a model where an entrant can choose to advertise by … comparing its product to that of an established incumbent. Comparative advertising, comparing quality of one’s own product to …

Public and private entities around the world are trying to induce the provision of higher-quality health care by … precision of signals available to consumers regarding provider quality—may result in lower equilibrium quality, holding prices …

We address the issue of risk aversion in a competitive equilibrium when some buyers engage in learning and information … risk aversion on the equilibrium outcomes of the model, including the amount of information released by the market. We show … that risk aversion has an effect on the market outcomes but not on the flow of information. In particular, an increase in …

I study optimal information provision by a search goods seller. While the seller controls a consumer's pre …-search information, which decides whether she will engage in costly search for the product, he cannot control her post-search information … information provision. My approach also helps to highlight the key similarity and dissimilarity between information design …