G2TT
来源类型Discussion paper
规范类型论文
来源IDDP6238
DP6238 Regulating a Multi-Utility Firm
Carlo Scarpa; Giacomo Calzolari
发表日期2007-05-25
出版年2007
语种英语
摘要We study the regulation of a utility firm which is active in a competitive unregulated sector as well. If the firm jointly operates its activities in the two markets, it enjoys economies of scope, whose size is the firm?s private information and is unknown to the regulator and the rival firms. We jointly characterize the unregulated market outcome (with price and quantity competition) and also optimal regulation. Accounting for the several effects of regulation on the unregulated market, we show the existence of an informational externality, in that regulation provides useful information to the rival firms. Although joint operation of multi-utility?s activities generates scope economies, it also brings about private information to the multi-utility, so that regulation is less efficient and also the unregulated market may be negatively affected. Nevertheless, we show that letting the multi-utility integrate productions is (socially) desirable, unless joint production is instead characterized by dis-economies of scope.
主题Industrial Organization
关键词Regulation Competition Asymmetric information Multi-utility firms Scope economies Informational externality
URLhttps://cepr.org/publications/dp6238
来源智库Centre for Economic Policy Research (United Kingdom)
资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/535146
推荐引用方式
GB/T 7714
Carlo Scarpa,Giacomo Calzolari. DP6238 Regulating a Multi-Utility Firm. 2007.
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