Boldron, François, Cremer, Helmuth, De Donder, Philippe, Joram, Denis and Roy, Bernard (2007) Social costs and benefits of the universal service obligation in the postal market. IDEI Working Paper, n. 456
, Cremer, Helmuth, De Donder, Philippe, Joram, Denis and Roy, Bernard
(2007)
Social costs and benefits of the universal service obligation in the postal market.
IDEI Working Paper, n. 456