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4 - Regulating a Monopoly with Full Information

Published online by Cambridge University Press:  27 January 2022

Emmanuelle Auriol
Affiliation:
Toulouse School of Economics
Claude Crampes
Affiliation:
Toulouse School of Economics
Antonio Estache
Affiliation:
Université Libre de Bruxelles
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Summary

Modern regulation theory is anchored into two canonical models of regulation under the benchmark case of full information. Baron– Myerson (1982) is useful to analyse the optimal regulation of efficiently run private monopolies for which maximization of profit, and therefore cost control, is paramount, while Laffont– Tirole (1986) is useful to design the regulation of any type of monopoly for which institutional or management characteristics are just as important as technological ones. This typically includes SOEs in addition to private enterprises, since SOEs tend to be much more subject to political interference than their private alternatives. To alleviate this problem, many governments have created separate regulatory agencies but political interference largely persists. Optimal regulation also needs to consider the constraints on the fiscal capacity of the sector. In countries with highly distorted tax systems, user fees may impose lower costs on society than subsidies. Combined with the need to recognize that without subsidies monopolies have to enjoy financial autonomy to be able to cover their costs and deliver the services, it leads to an upgraded Lerner index formula: Ramsey pricing. The optimal price level, when costs can be observed, depends on the elasticity of demand and on the opportunity cost of public funds.

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Chapter
Information
Regulating Public Services
Bridging the Gap between Theory and Practice
, pp. 80 - 102
Publisher: Cambridge University Press
Print publication year: 2021

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