We consider a simple model of market structure determination with discrete product differentiation and strategic interaction between firms. Our equilibrium concept is based on a set of relatively weak conditions that describe the profits of active and potential firms in a market. In our model,...

We examine the choice between internal or external provision of information technology (“ITâ€) services for US credit unions. Credit unions may provide their own systems for tracking loans and deposit accounts or they may choose to outsource these systems from external providers....

A well-known approach to identifying second-degree price discrimination is based on examining correlations between product menus and prices. When product menus are endogenous, however, tests for price discrimination may be biased by the fact that unobservables affecting costs or demand may...