Why does Amazon.com make low or no profits, whereas, its bricks-and-mortar rival Borders makes substantially higher profits? Why is price dispersion high in certain categories and low in others? Why are prices for the same item higher at bricks-and-mortar retailers than they are at pure play...

In this paper, we study the effect of a firm's local channel exits on prices charged by incumbents remaining in the marketplace. Exits could result in higher prices due to tempered competition or lower prices due to reduced co-location or agglomeration benefits. The net effect of these two...