According to the essential facilities doctrine, competition law requires an infrastructural monopoly to provide access. Under the "Bronner criterion", proposed by the EC Court, the doctrine is only applicable when an infrastructural duopoly is non-viable. This paper uses a simple model to...

We provide evidence of an inherent trade-off between access regulation and investment incentives in telecommunications by using a comprehensive data set covering 70+ fixed-line operators in 20 countries over 10 years. Our econometric model accommodates: different investment incentives for...

Seit 1998 sind wettbewerblich organisierte Energiemärkte Wirklichkeit geworden. Vor allem die Initiativen der Europäischen Union haben dazu geführt, daß die alten Monopolstrukturen aufgelöst worden sind und sich die Anbieter auf Strom- und in Zukunft auch auf Gasmärkten der Konkurrenz...

MIND is a hybrid model incorporating several energy related sectors in an endogenous growth model of the world economy. This model structure allows a better understanding of the linkages between the energy sectors and the macro-economic environment. We perform a sensitivity analysis and...