Recent U.S. evidence suggests that the response of the labor share to a productivity shock is characterized by countercyclicality and overshooting. These findings cannot be easily reconciled with existing business cycle models. We extend the standard model of search and matching in the labor...

This paper proposes a new model of market structure determination. It demonstrates that market structure need not be the result of ideology, political power, collusion among producers or the nature of the technology. In our setting, it is determined by bureaucrats who maximize their share of the...

Barriers to entry are regarded as major impediments to the working of markets. Entry must not necessarily actually take place - the perceived threat of entry may encourage incumbent firms to behave as if they are in a competitive market, even if they are not. We present empirical evidence on...