We investigate the idea that stock-market participation is influenced by social interaction. We build a simple model in which any given 'social' investor finds it more attractive to invest in the market when the participation rate among his peers is higher. The model predicts higher...

This essay surveys the body of research that asks how the efficiency of corporate investment is influenced by problems of asymmetric information and agency. I organize the material around two basic questions. First, does the external capital market channel the right amount of money to each firm?...

We develop a model that shows how rent-seeking behavior on the part of division managers can subvert the workings of an internal capital market. In an effort to stop rent-seeking, corporate headquarters will be effectively forced into paying bribes to some division managers. And because...