Reviewing the development of network access charges in the German electricity market since 2002 reveals significant variation. While some firms continually increased or decreased their access charges, a variety of firms exhibited discontinuous behavior with price changes in both directions. From...

Natural monopolies are not subject to the market-based principle of competition. Consequently, it is necessary to control companies in such monopoly positions with regard to their pricing. In the future, it will become more and more important to consider a possible change in the regulation...