Using a large panel data set it is investigated whether works councils act as a 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

This paper uses data from a nationally representative panel of establishments to estimate the effects of German works councils on firm performance, 1997 - 2000. We analyze the impact of this institution on sales and sales growth using OLC and fixed effect estimates of a translog production...