Unbundling of vertically integrated utilities has become an integral element in the regulation of network industries … and has been implemented in many jurisdictions. The idea of separating the network, as the natural monopoly, from … able to identify heterogeneous effects of legal unbundling for different types of price regulation, because we observe a …

) monopoly thesis. Recently, however, a trend towards deregulation of such industries has been observed. This trend started with …

market, monopoly pricing is well defined - as well as tests for predatory behavior; not so with multisided markets. Since the … markets for their potential for determining consumers' harm and welfare effects, as well as defining monopoly and predatory …

requirements, (international) benchmarking is not an adequate tool for the regulation of transmission system operators (TSO … high. The paper discusses options to reduce the weight of benchmarking in TSO regulation and options that do not rely on …