Document de travail Competition, Universal Service and Telecommunications Policy in Developing Countries Farid Gasmi, Jean-Jacques Laffont et William W. Sharkey IDEI Working Paper n° 92, 1999 RéférenceFarid Gasmi, Jean-Jacques Laffont et William W. Sharkey, « Competition, Universal Service and Telecommunications Policy in Developing Countries », IDEI Working Paper, n° 92, 1999.