This paper proposes a monetary model with firm entry as a means for alleviating the difficulties of real business cycle models in reproducing the smoothness and persistence of macroeconomic variables together with the volatility of profits and markups. Simulations show that my baseline model...

This paper contributes to the literature on the role of technology shocks as source of the business cycle in two ways. First, we document that time-series of US productivity and hours are apparently affected by a structural break in the late 60’s, which is likely due to a major change in the...