A firm may decide to have some of its customers sign exclusive contracts in order to deprive a rival of the minimum viable size, exclude it from the market, and enjoy increased market power. If contracts are required to be simple enough, this strategy may induce inefficient exclusion even if the...

The aim of this paper is to analyze the impact of the existence of mutual firms on the behavior of insurance companies and more precisely to study in which situations an insurance company can enter a market controlled by mutual arrangements. Our approach differs from the existing literature as...

We analyze the effects of a school-based incentive program on children's exercise habits. The program offers children an opportunity to win prizes if they walk or bike to school during prize periods. We use daily child-level data and individual fixed effects models to measure the impact of the...