Using a large panel data set it is investigated whether works councils act as sand or grease in the operation of German firms. Stochastic production frontier analysis indicates that establishments with and without a works council do not exhibit significant differences in efficiency.

Using a large linked employer-employee data set for Germany, we find that the existence of a works council is associated with a lower separation rate to employment, in particular for men and workers with low tenure. While works council monopoly effects show up in all specifications, clear voice...

Theory suggests that firms confront a hold-up problem in dealing with workplace unionism: unions will appropriate a portion of the quasi-rents stemming from long-lived capital. As a result, firms may be expected to limit their exposure to rent-seeking by reducing investments. The U.S. evidence...