Prices transmit information regarding the underlying quality of a product; when quality is unknown to both buyers and sellers, theory predicts that the same price should be charged for all products. However, in the Thoroughbred industry, difference fees are charged to breed to freshman sires,...

This note shows how the solution to the promotion problem—the problem of locating the optimal level of advertising in a downstream market—can be motivated simply, diagrammatically, and without the need to resort to complicated mathematical arguments. The optimality condition is for...

This article shows how the solution to the promotion problem--—the problem of locating the optimal level of advertising in a downstream market--—can be derived simply, empirically, and robustly through the application of some simple calculus and Bayesian econometrics. We derive the...