In some industries, monopoly is natural. One provider can serve the relevant demand cheaper than two or more firms. If the monopoly is not contestable, i.e. not controlled by a credible threat of entry, regulation is necessary. The essential facilities doctrine is one such regulatory tool. It...

This paper identifies substantial flaws in how U.S. government agencies and courts assess the impact of proposed mergers by firms using broadband networks to reach consumers. Based on current market definitions, consumer impact assessments and economic doctrine, antitrust enforcement agencies...

We study insurers’ behavior under monopoly and Cournot duopoly when they canaffect the probability or magnitude of harm from accidents. The way consumers’risk aversion changes with wealth and the way risk affects the slope of the demandfunction determine whether Cournot duopolists increase...

Electricity distribution operators are regulated as monopolies around the world. Incentive regulation is further applied to relate their allowed revenues (revenue cap) to cost efficiency and investment. Incentive regulation varies cross countries and has evolved over time for individual...

This study was prepared by Andreas Kuhlmann, while he was working with the Ifo Institute for Economic Research. It was completed in September 2006 and was accepted as a Ph.D. thesis by the Economics Department of the University of Munich. The subject of this study is the analysis of network...

Regulatory authorities in the European electricity sector use benchmarking techniques to determine the cost-efficient production level for an incentive regulation of distribution system operators (DSOs). With nearly 900 DSOs operating in the German electricity sector, of which 200 subject to...

In this paper, we present a straightforward economic model that explains the incentives to manipulate nodal energy prices in a “Day 2” RTO market. The model distinguishes between legitimate market participation that increases overall market efficiency and manipulative behavior that distorts...

For much of the twentieth century electricity generation and transmission in New Zealand was dominated by centralized state ownership and control, with local authority ownership of distribution and retailing. Radical reform of the sector commenced in the early 1980s, with the progressive...

Regulatory agencies are potentially influenced by market characteristics and underlying incentives and use simplifying decision rules. When decision uncertainty increases, it is hypothesised that these influences become more apparent. This study investigates civil cases initiated by dissatisfied...

Liberalization of network industries frequently separates the network from the other parts of the industry. This is important in particular for the electricity industry where private firms invest into generation facilities, while network investments usually are controlled by regulators. We...