Thursday, June 23, 2016

To Regulate or to Deregulate? The Role of Downstream Competition in Upstream Monopoly Vertically Linked Markets

Polemis, Michael ; Eleftheriou, Konstantinos ask To Regulate or to Deregulate? The Role of Downstream Competition in Upstream Monopoly Vertically Linked Markets.

ABSTRACT: This paper attempts to cast light to the relationship between Cournot-Bertrand controversy and monopoly regulation. To this purpose, we use a simple model of a vertically linked market, where an upstream regulated natural monopoly is trading via two-part tariff contracts with a downstream duopoly. Combining our results to those of the existing literature on deregulated markets, we argue that when the downstream competition is in prices, efficiency dictates regulating the monopoly with a marginal cost based pricing scheme. However, this type of regulation leads to significant welfare loss, when the downstream market is characterized by Cournot competition.

https://lawprofessors.typepad.com/antitrustprof_blog/2016/06/to-regulate-or-to-deregulate-the-role-of-downstream-competition-in-upstream-monopoly-vertically-link.html

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