Seit der Deregulierung des deutschen Strommarktes im Jahre 1998 werden die Netznutzungsentgelte durch Verhandlungen zwischen den Energieerzeugern und den industriellen Nutzern festgelegt. Da die Stromnetze als nicht-bestreitbare natürliche Monopolisten anzusehen sind, können die Netzbetreiber...

The European Commission has intensively discussed the mandatory separation of natural gas transmission from production and services. However, economic theory is ambiguous on the price effects of vertical separation. In this paper, we empirically analyse the effect of ownership unbundling of gas...

After the deregulation of the German electricity markets in 1998, the German government opted for a regulatory regime called negotiated third party access, which would be subject to ex-post control by the federal cartel office. Network access charges for new competitors are based on contractual...