Using the Stochastic Frontier Analysis on data for 33 sub-Saharan African countries over the period 2007 to 2018, we determine the drivers of the inefficiencies in financial stability and also estimate the existing financial stability gaps. The results confirm that credit to the private sector...

Using a large panel data set we investigate 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.

We analyze the stability of efficiency rankings of German universal banks between 1993 and 2004. First, we estimate traditional efficiency scores with stochastic cost and alternative profit frontier analysis. Then, we explicitly allow for different risk preferences and measure efficiency with a...