We introduce a flexible model of telecommunications network competition with non-uniform calling patterns, which account for the fact that customers tend to make most calls to a small subset of people. Equilibrium call prices are distorted away from marginal cost, and competitive intensity is...

We challenge the view that the presence of powerful buyers stifles suppliers' incentives to innovate. Following Katz (1987), we model buyer power as buyers' ability to substitute away from a given supplier and isolate several effects that support the opposite view, namely that the presence of...

This Paper investigates how the formation of larger buyers affects a supplier's profits and, by doing so, his incentives to undertake non-contractible activities. We first identify two channels of buyer power, which allows larger buyers to obtain discounts. We subsequently examine the effects of...

We analyze the interaction between financial institutions' internal compensation policy, the quality of loans, and their securitization decision. We also assess the case for requiring financial institutions to defer bonus pay so as to make incentives more commensurate with the longer-term risk...