This paper studies the price structure in a postal sector with a monopolistic operator when customers can engage in worksharing. It presents simulation results obtained from an empirical model that is calibrated on data from the French postal sector. The optimal worksharing discount is...

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...

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...

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...

This paper studies the relationship between USO and environmental concern in the postal sector. We concentrate on the obligation to deliver mail on a D+1 basis. We examine how the USO should be designed to properly account for the environmental cost in a variety of situations ranging from a...

This paper studies the relationship between USO and environmental concern in the postal sector. We concentrate on the obligation to deliver mail on a D+1 basis. We examine how the USO should be designed to properly account for the environmental cost in a variety of situations ranging from a...