Working paper Competition, Universal Service and Telecommunications Policy in Developing Countries Farid Gasmi, Jean-Jacques Laffont, and William W. Sharkey IDEI Working Paper n. 92, 1999 ReferenceFarid Gasmi, Jean-Jacques Laffont, and William W. Sharkey, “Competition, Universal Service and Telecommunications Policy in Developing Countries”, IDEI Working Paper, n. 92, 1999.