This paper studies the strategy of an upstream monopoly which sells an essential facility to a downstream regulated firm by means of two-part tariff, in a regulatory environment a la Ramsey-Boiteux with a unique budget constraint over all the regulated activities. It is shown that the upstream...

This paper shows that consumers may benefit when a regulator chooses not to regulate a final product in an industry characterized by an unregulated essential facility sold through non-linear tariffs. Two main reasons drive this result. First, the regulator maximizes social welfare and values the...

A benevolent social planner, which faces a cost of public funds because of distortive taxation, wants to finance an upstream monopoly. This monopoly produces a necessary input for a downstream competitive sector which competes a la Cournot (with either a fixed number of firms or free entry in...

A benevolent social planner which faces a cost of public funds because of distortive taxation, wants to finance an upstream monopoly. This monopoly produces a necessary input for a downstream competitive sector which competes à la Cournot (with either a fixed number of firms or free entry in...

[fre] Cet article montre qu'un régulateur ne doit pas réguler une industrie nécessitant un bien intermédiaire essentiel non régulé et vendu par un tarif binôme. En effet, le régulateur maximisant le bien-être social sous contrainte budgétaire, il attribue une valeur plus importante à...