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Title:The regulation of interdependent markets PDF Logo
Authors:Fiocco, Raffaele
Scarpa, Carlo
Issue Date:2011
Series/Report no.:SFB 649 discussion paper 2011-046
Abstract:We examine the issue of whether two monopolists which produce substitutable goods should be regulated by one (centralization) or two (decentralization) regulatory authorities, when the regulator(s) can be partially captured by industry. Under full information, two decentralized agencies - each regulating a single market - charge lower prices than a unique regulator, making consumers better off. However, this leads to excessive costs for the taxpayers who subsidize the firms, so that centralized regulation is preferable. Under asymmetric information about the firms' costs, lobbying induces a unique regulator to be more concerned with the industry's interests, and this decreases social welfare. When the substitutability between the goods is high enough, the firms' lobbying activity may be so strong that decentralizing the regulatory structure may be social welfare enhancing.
asymmetric information
energy markets
Document Type:Working Paper
Appears in Collections:SFB 649 Discussion Papers, HU Berlin

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