We provide an analysis of enforcement policies applicable to formal sector in dual labor markets. We use a framework with heterogeneous firms, endogenous determination of informal wage and politically dictated enforcement strategies. Firms which operate both in the formal and informal sectors do...

We estimate wage and job tenure functions that include individual and firm effects capturing time-invariant unobserved worker and firm heterogeneity using German linked employer-employee data (LIAB data set). We find that both types of heterogeneity are correlated to the observed characteristics...