This paper develops a dynamic model of retail competition and uses it to study the impact of the expansion of a new national competitor on the structure of urban markets. In order to accommodate substantial heterogeneity (both observed and unobserved) across agents and markets, the paper first...

Who will win the bidding to become the sole producer of a new product: the monopolist of a related product or a new entrant? When there exists potential entry to the monopolist's existing business, the standard result that monopoly persists (Gilbert and Newbery, 'Preemptive Patenting and the...

Researchers in corporate strategy have long argued that resource "relatedness" contributes to a firm’s competitive advantage. One implication is that entries made by a firm into businesses that are closely related to the firm’s existing businesses should have higher survival rates than...