Manzini, AntonioThalmann, Philippe2006-08-252006-08-252006-08-251994https://infoscience.epfl.ch/handle/20.500.14299/233810We apply frontier analysis to test the efficiency of PTT, the mail and telecommunications monopoly of Switzerlandfrontier analysisefficiencypublic utilitiesThe dynamic allocative efficiency of a public utilitytext::journal::journal article::research article