Potable water supply in Germany is highly fragmented. A consolidation of the industry could, therefore, lead to lower cost of water supply and price savings for the customers. In this paper we estimate a total cost function for potable water supply based on a unique sample of German water...

In this paper, we analyze economies of scale for German mutual fund complexes. Using 2002-2005 data of 41 investment management companies, we specify a hedonic translog cost function. Applying a fixed effects regression on a one-way error component model there is clear evidence of significant...

German municipalities are expected to suffer from (often significant) population losses in the upcoming decades. We assess these local governments’ vulnerability to the fiscal consequences of this demographic decline through two means (using a sample of 1021 municipalities in the state of...