We consider a dynamic oligopoly model in which a seller may drop out of the market when demand for its product is insufficient in the first period. Buyers suffer some disutility if a seller exits the market and so their first period purchase decision does not only depend on current period...

We analyze a model in which agents have to make a binary choice under incomplete information about the state of the world, but also care about coordination with other agents who have the same problem. In some of these situations, the larger the share choosing the same alternative, the better off...

In this article I analyze the consequences of advertising in the children’s breakfast cereal market. I take advantage of the prohibition on advertising directed at children in the province of Quebec to examine the nature of advertising and to determine whether the restriction hinders...

We develop a model that endogenizes both advertising format ads with or without celebrity endorsements and the endorsement fee. Marketing studies suggest that celebrities enhance brand recall and perception of product value. In our model, ads featuring celebrities occur when the product market...

We set up a rational expectations model in which investors trade a risky asset based on a private signal they receive about the quality of the asset, and a public signal that represents a noisy aggregation of the private signals of all investors. Our model allows us to examine what happens to...

We investigate the dominant role of advertising - whether it provides information or changes consumers' brand perceptions - for a wide range of product categories. For the empirical analysis, we assembled a panel data set that combines annual brand-level advertising expenditures for over three...