Entry in many occupations is regulated with the objective to screen out the least able producers and guarantee high quality of output. Unfortunately, the available empirical evidence suggests that in most cases these objectives are not achieved. In this paper we investigate entry into the legal...

We estimate individual returns to patents using a unique longitudinal administrative dataset on patents and earnings, following individuals and firms for 20 years (1987-2006). We find that inventors' wages steadily increase before patent applications are submitted to the European Patent Office,...