background, this paper analyzes the efficiency of German public theaters for the seasons 1991/1992 to 2005/2006. Using a … evaluate the impact of unobserved heterogeneity on the efficiency estimates. The results indicate that the cost …-minimizing assumption cannot be maintained. Consequently, an efficiency analysis based on a cost function approach seems inappropriate in …

influence on productivity can be compensated by efficiency gains. The findings indicate an increase in real unit labor cost as a … observed for the majority of the theaters which implies that significant efficiency gains can be realized by the exploitation …-disease ; efficiency ; stochastic frontier analysis …