Credible Threats as an Instrument of Regulation for Network Industries

J. Haucap, U. Heimeshoff, A. Uhde, in: P. Welfens (Ed.), REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY, Berlin, 2006, pp. 171–202.

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Abstract
In order to avoid over-regulation, some countries have experimented with what might be called threat-based regulation. The idea is - similarly to the contestable market model - that actual regulation may not be necessary as long as the threat of regulation is credible. In that case, so the idea, even monopolies will abstain from setting monopolistic prices in order to avoid being regulated. As experience from Germany and New Zealand has demonstrated, there are quite a number of problems associated with threat-based regulatory systems. The most significant problem has turned out to be the likely under-regulation and according welfare losses from market power, and in this context, a critical issue that has been identified is the credibility of the regulatory threat. If the threat of regulation is not credible, a light-handed regulatory regime (LHRR) amounts to leaving monopolistic firms unregulated, clearly an undesirable situation from a welfare point of view. This failure of threat-based regulatory systems results from potential free-rider problems associated with good corporate behaviour (as in the case of Germany's electricity market) as well as the lack of credibility of the threat either because of the weakness of the enforcement authorities or due to political constraints. Furthermore, a problem emerges if exercising the threat of regulation implies an abandonment of the LHRR and a corresponding substitution with heavy-handed ex ante regulation. An innovative way out of this dilemma has been the quasi-automatic threshold system originally designed for New Zealand's electricity distribution networks, which aims at simulating the pressures that companies would face in competitive markets.
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Book Title
REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY
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171-202
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Haucap J, Heimeshoff U, Uhde A. Credible Threats as an Instrument of Regulation for Network Industries. In: Welfens P, ed. REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY. Berlin; 2006:171-202.
Haucap, J., Heimeshoff, U., & Uhde, A. (2006). Credible Threats as an Instrument of Regulation for Network Industries. In P. Welfens (Ed.), REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY (pp. 171–202). Berlin.
@inbook{Haucap_Heimeshoff_Uhde_2006, place={Berlin}, title={Credible Threats as an Instrument of Regulation for Network Industries}, booktitle={REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY}, author={Haucap, Justus and Heimeshoff, Ulrich and Uhde, André}, editor={Welfens, P.Editor}, year={2006}, pages={171–202} }
Haucap, Justus, Ulrich Heimeshoff, and André Uhde. “Credible Threats as an Instrument of Regulation for Network Industries.” In REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY, edited by P. Welfens, 171–202. Berlin, 2006.
J. Haucap, U. Heimeshoff, and A. Uhde, “Credible Threats as an Instrument of Regulation for Network Industries,” in REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY, P. Welfens, Ed. Berlin, 2006, pp. 171–202.
Haucap, Justus, et al. “Credible Threats as an Instrument of Regulation for Network Industries.” REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY, edited by P. Welfens, 2006, pp. 171–202.

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