Reference

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

Replaced by

François Boldron, Helmuth Cremer, Philippe De Donder, Denis Joram, and Bernard Roy, “Social Costs and Benefits of the Universal Service Obligation in the Postal Market (part I)”, in Competition and Regulation in the Postal and Delivery Sector, Michael A. Crew, and Paul R. Kleindorfer (eds.), Edward Elgar Publishing, chapter 2, 2008, pp. 23–35.