Workers who hold a firm's stock make decisions other than those that pure capital owners would make, but there exist institutions and compensation packages that will generally lead workers to favor efficient firm decisions. Workers care about their firm-specific rents and may seek shares in...

This paper sets up a microeconomic theory of labor unions. It discusses their formation and goals, their hierarchical structure, and the nature of rent distribution. The theory provides predictions for the probability that an industry or occupation will be unionized, the proportion of that...