If a manager stays in office for a long time he will have learned much about his subordinates. Thus competition among them will be weak as the manager has made up his mind who is suited best for which position. With a new manager the "race" for favorable tasks is restarted leading subordinates...

Der Beitrag untersucht den Markt für Elektrizitäts-Minutenreserve (tertiäre Regelenergie) in Deutschland im Jahr 2008. Mit über 200 Millionen Euro machte dieser etwa 15% der Kosten für Systemdienstleistungen aus. Die Beschaffung von Minutenreserven ist als diskriminierende Auktion...

Competition between parallel infrastructures incorporates opposing welfare effects. The gain from reduced deadweight loss might be out- weighed by the inefficient duplication of an existing infrastructure. Using data from broadband internet access for Western Europe 2000-2004, this paper...

Ramsey-Boiteux prices and monopoly prices are frequently regarded as being similar. This might suggest that, in particular in network in- dustries with large fixed costs, sometimes monopoly pricing is close to the Ramsey-Boiteux second best and welfare superior to imperfectly regulated prices....