We study the incentives to firms to create divisions once the vertical structure of an industry is taken into account. Downstream firms, those that must buy an essential input from upstream firms, may create divisions. Divisionalization reduces their bargaining power against upstream firms. This...

A version of the herding prediction model with a rational expectations flavor is reexamined in the light of incentive theory. The welfare loss at the market solution with respect to the incentive efficient solution can be decomposed into an information externality term minus an incentive cost...