[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...

The authors provide existence proofs and characterization results for the multidimensional version of the multiproduct monopolist problem of M. Mussa and S, Rosen (1978). These results a are also directly applicable to the multidimensional nonlinear pricing problems studied by R. Wilson (1993)...