This paper studies the behaviour of firm entry and exit in response to macroeconomic shocks. We formulate a dynamic stochastic general equilibrium model with an endogenous number of producers. From the calibrated model, we derive a minimum set of robust sign restrictions to identify four kinds...

In the global recession of 2009, exports declined precipitously in many countries. We illustrate with firm-level data for Belgium and Peru that the decline was very sudden and almost entirely due to lower export sales by existing exporters. After the recession, exports rebounded almost equally...

This paper estimates a medium-scale DSGE model with search unemployment by matching model and data spectra. Price mark-up shocks emerge as the main source of business-cycle fluctuations in the euro area. Key factors in the propagation of these disturbances are a high degree of inflation...