This paper analyzes the effect of firing costs on aggregate productivity growth. For this purpose, a model of endogenous growth through selection and imitation is developed. It is consistent with recent evidence on firm dynamics and on the importance of reallocation for productivity growth. In...

While anecdotal evidence suggests that interest groups play a key role in shaping immigration, there is no systematic empirical evidence on this issue. To motivate our analysis, we develop a simple theoretical model where migration policy is the result of the interaction between organized groups...