The rapid productivity gains achieved by technological innovations in the 20th century have slowed in recent decades. This has come at a time of increased market concentration. In this paper, I explore how dominant companies in concentrated sectors have siphoned off inventors that might have...

We study the implications of product and labor market imperfections for equilibrium unemployment under both exogenous and endogenous capital intensity. With endogenous capital intensity, stronger labor market imperfections always increase equilibrium unemployment. The relationship between the...