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Forme di affidamento e double marginalization in un monopolio naturale regolato di un servizio pubblico locale


  • Alessandro Petretto


This note shows a two-stage game describing a configuration of two vertical monopolies in a local public utility where there is a upstream firm selling an input to a downstream firm who provides a public service to a local community at a regulated tariff. The possibility for the local public administration owning the first firm to discretionally set the price of input (access or rent) rises a problem of double marginalization which requires a further form of regulation carried on by a specific local authority, somewhat independent by local municipalities themselves. The problem is discussed within the new Italian legislation disciplining the various forms of selection of the public service providers.

Suggested Citation

  • Alessandro Petretto, 2005. "Forme di affidamento e double marginalization in un monopolio naturale regolato di un servizio pubblico locale," Politica economica, Società editrice il Mulino, issue 3, pages 341-360.
  • Handle: RePEc:mul:je8794:doi:10.1429/20826:y:2005:i:3:p:341-360

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