Why do firms exist? What is their function? What do managers do? What is the role, if any, of social motivation in the market? In this paper, we address these questions with a new theory of the firm, which unites some major themes in management, principal-agent theory, and economic sociology. We...

We extend the classical teams framework to the case where team size is endogenous and workers can specialize within a division of labor. We consider two institutions: equal-division partnerships and the firm with a budget-breaker. In contrast with the previous literature, we show that effort and...