%A Farid Gasmi %A Jean-Jacques Laffont %A William W. Sharkey %J Information Economics and Policy %T Competition, Universal Service and Telecommunications Policy in Developing Countries %N 3 %P 221-248 %V 12 %D 2000 %I Elsevier %R 10.1016/S0167-6245(00)00016-0 %L publications2537