between advertising and the market demand elasticity that may prove useful in empirical research. In particular, we find that … demand elasticity has changed, and vice versa. Lastly, if the price level affects advertising's ability to shift the market … demand curve, it must also be true that advertising affects the demand elasticity. The converse is also true, i.e., if …

In this paper we analyze a stochastic dynamic advertising and pricing model with isoelastic demand. The state space is …-Steiner identity will be derived. Explicit expressions of the optimal advertising and pricing policies, of the value function and of … the optimal advertising expenditures will be given. The general results will be used to analyze the case of impatient …

, we examine how the knowledge of firms' relative advertising expenditures and prices affect consumers' search and purchase … infer the quality of sellers - advertising and price being the two most important among them. While the importance of … advertising and price as signals of quality has been well established in traditional markets, online sponsored search markets have …