In this study, we use a unique rich newly built data set for German manufacturing enterprises to investigate the relationship between product diversification and the stability of sales and employment. We find that contrary to portfolio theoretic considerations, more diversified firms exhibit a...

I exploit exogenous variation in the likelihood to obtain any sort of academic degree between January- and February-born individuals for 13 academic cohorts in England. For these cohorts compulsory schooling laws interacted with the timing of the CGE and O-level exams to change the probability...