[eng] Universal Service Obligations and Competition in Networks.. The opening of public networks to competition raises the twofold question of determining which operator is to fulfil the universal service obligations and how the operator’s resultant losses are to be financed. The paper...

We modelize a free price competition between a vertically integrated incumbent operating as an upstream monopolist in an essential facility and facing competition as service provider. The incumbent determines freely the access charge to its network. We determine conditions for which the...

Academic literature in public finance has focused on interjurisdictional tax competition—namely among similar types of local governments—but has leaved vertical externalities arising from interactions between two overlapping governments sharing the same tax base aside. The purpose of this...

In this paper, we analyze the strategic function of gas storage focusing on how gas storage decisions impact competition between gas companies on both spot and downstream markets. Using a two-tier oligopolistic structure, we first show that gas storage is actually used strategically even in a...

The aim of this paper is to explore the effectiveness of asymmetric regulation, which allows a new mobile network operator to set higher termination rates than the incumbent operator. We assume that there are two market segments: one in which operators compete on equal terms, with a new...