@incollection{publications1574,
          volume = {35},
          author = {Helmuth Cremer and Andr{\'e} Grimaud and Jean-Jacques Laffont},
          series = {Topics in Regulatory Economics and Policy},
       booktitle = {Current Directions in Postal Reform},
          editor = {Michael A. Crew and Paul R. Kleindorfer},
           title = {The Cost of Universal Service in the Postal Sector},
       publisher = {Springer},
            year = {2000},
         journal = {Current Directions in Postal Reform},
           pages = {47--68},
             url = {https://publications.ut-capitole.fr/id/eprint/1574/}
}