Boldron, François, Borsenberger, Claire, Cremer, Helmuth, De Donder, Philippe, Joram, Denis and Roy, Bernard (2011) Environmental Cost and Universal Service Obligations in the Postal Sector. Review of Network Economics, 10 (3).

Boldron, François, Borsenberger, Claire, Cremer, Helmuth, De Donder, Philippe, Joram, Denis and Roy, Bernard (2011) Sustainable Growth and the Postal Sector: Universal Service vs. Environmental Protection. In: Reinventing the Postal Sector in an Electronic Age Crew, Michael A. and Kleindorfer, Paul R. (eds.) Edward Edgar Publishing. Chapter 25.

Cremer, Helmuth and De Donder, Philippe (2010) Avantages et limites de la tarification non linéaire: le contrat commercial dans le secteur postal. In : Libéralisation & Services Publics: Economie postale Boldron, François, Borsenberger, Claire, Joram, Denis, Lecou, Sébastien and Roy, Bernard (eds.) Economica. pp. 319-331.

Borsenberger, Claire, Cremer, Helmuth, De Donder, Philippe, Joram, Denis and Roy, Bernard (2010) Funding the Cost of Universal Service in a Liberalized Postal Sector. In: Heightening Competition in the Postal and Delivery Sector Crew, Michael A. and Kleindorfer, Paul R. (eds.) Edward Edgar Publishing. Chapter 14. pp. 220-334.

Cremer, Helmuth and Malavolti-Grimal, Estelle (2010) Le financement de la presse française. In : Libéralisation & Services Publics: Economie postale Boldron, François, Borsenberger, Claire, Joram, Denis, Lecou, Sébastien and Roy, Bernard (eds.) Economica. pp. 205-218.

Boldron, François, Cremer, Helmuth, De Donder, Philippe, Joram, Denis and Roy, Bernard (2009) Network Externalities and the Universal Service Obligation: A Two Sided Market Approach. In: Progress in the Competitive Agenda in the Postal and Delivery Sector Crew, Michael A. and Kleindorfer, Paul R. (eds.) Edward Elgar. ISBN 978 1 84844 060 9

Boldron, François, Cremer, Helmuth, Roy, Bernard and De Villemeur, Étienne (2008) Worksharing: A Calibrated Model. Review of Network Economics, 7 (2). pp. 272-293.

Boldron, François, Cremer, Helmuth, De Donder, Philippe, Joram, Denis and Roy, Bernard (2008) 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 Crew, Michael A. and Kleindorfer, Paul R. (eds.) Edward Elgar Publishing. Chapter 2. pp. 23-35.

Cremer, Helmuth, Roy, Bernard, Toledano, Joëlle and De Villemeur, Étienne (2007) Worksharing, Access and Bypass: The Structure of Prices in the Postal Sector. Journal of Regulatory Economics, 32 (1).

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

Boldron, François, Cremer, Helmuth, Roy, Bernard and De Villemeur, Étienne (2006) Nonlinear Pricing and Worksharing in the Postal Sector. In: Liberalization of the Postal and Delivery Sector Crew, Michael A. and Kleindorfer, Paul R. (eds.) Edward Elgar Publishing. Chapter 9.

Cremer, Helmuth, Roy, Bernard, Toledano, Joëlle and De Villemeur, Étienne (2005) Worksharing, Access and Bypass: The Structure of Prices in the Postal Sector. IDEI Working Paper, n. 360

Cazals, Catherine, Fève, Frédérique, Florens, Jean-Pierre and Roy, Bernard (2005) Delivery Costs II: Back to Parametric Models. In: Regulatory and Economics Challenges in the Postal and Delivery Sector Crew, Michael A. and Kleindorfer, Paul R. (eds.) Springer US. Series “Topics in Regulatory Economics and Policy” pp. 189-202. ISBN 978-0-387-23637-7

Cremer, Helmuth, Roy, Bernard, Toledano, Joëlle and de Villemeur, Étienne (2005) Worksharing, Pricing and Competition in the Postal Sector. In: Regulatory and Economics Challenges in the Postal and Delivery Sector Crew, Michael A. and Kleindorfer, Paul R. (eds.) Springer. Series “Topics in Regulatory Economics and Policy” pp. 139-161. ISBN 978-0-387-23637-7

Cazals, Catherine, Fève, Frédérique, Florens, Jean-Pierre and Roy, Bernard (2004) Delivery Costs II: Back to Parametric Models. IDEI Working Paper, n. 286

Cremer, Helmuth, Roy, Bernard, Toledano, Joëlle and de Villemeur, Étienne (2004) Access and (Non-)Uniform Pricing in the Postal Sector. In: Competitive Transformation of the Postal and Delivery Sector Crew, Michael A. and Kleindorfer, Paul R. (eds.) Springer. Series “Topics in Regulatory Economics and Policy”, Vol. 46. Chapter 2. pp. 43-68. ISBN 978-1-4419-8915-4

Cremer, Helmuth, Roy, Bernard, Toledano, Joëlle and De Villemeur, Étienne (2004) Accès et Tarification dans le secteur postal. In : Economie Postale : les Fondements Toledano, Joëlle (ed.) Economica.

Cremer, Helmuth, Florens, Jean-Pierre, Grimaud, André, Marcy, Sarah, Roy, Bernard and Toledano, Joëlle (2004) Entrée et concurrence sur le marché postal, Méthodologie pour la construction de scénarios d'entrée. In : Economie Postale : les Fondements Toledano, Joëlle (ed.) Economica. pp. 263-280.

Florens, Jean-Pierre and Roy, Bernard (2004) Introduction au Chapitre 3 - Les coûts. In : Economie Postale : les Fondements Toledano, Joëlle (ed.) Economica. pp. 103-115.

Cremer, Helmuth, Roy, Bernard, Toledano, Joëlle and De Villemeur, Étienne (2004) Tarification et préparation du courrier dans le secteur postal. In : Economie Postale : les Fondements Toledano, Joëlle (ed.) Economica. pp. 329-343.

Cazals, Catherine, Florens, Jean-Pierre and Roy, Bernard (2004) Une analyse de certains inducteurs de coût spécifiques à l'activité de distribution de courrier. In : Economie Postale : les Fondements Toledano, Joëlle (ed.) Economica. pp. 133-149.

Cazals, Catherine, Duchemin, Pascale, Florens, Jean-Pierre, Roy, Bernard and Vialaneix, Olivier (2004) Une étude économétrique des élasticités du coût de production des guichets postaux. In : Economie Postale : les Fondements Toledano, Joëlle (ed.) Economica. pp. 201-210.

Cremer, Helmuth, Roy, Bernard, Toledano, Joëlle and De Villemeur, Étienne (2003) Optimal Pricing and Price-Cap Regulation in the Postal Sector. Journal of Regulatory Economics, 24 (1). pp. 49-62.

Cremer, Helmuth, Roy, Bernard, Toledano, Joëlle and De Villemeur, Étienne (2002) Structure optimale des prix dans le secteur postal. Revue Économique.

Cazals, Catherine, Duchemin, Pascale, Florens, Jean-Pierre, Roy, Bernard and Vialaneix, Olivier (2002) An Econometric Study of Cost Elasticity in the Activities of Post Office Counters. In: Postal and Delivery Services: Pricing, Productivity, Regulation and Strategy Springer. Series “Topics in Regulatory Economics and Policy”, Vol. 41. pp. 161-170. ISBN 978-0-7923-7638-5

Cremer, Helmuth, Roy, Bernard, Toledano, Joëlle and de Villemeur, Étienne (2002) Pricing and Worksharing Discounts in the Postal Sector. In: Postal and Delivery Services: Delivering on Competition Crew, Michael A. and Kleindorfer, Paul R. (eds.) Springer. Series “Topics in Regulatory Economics and Policy”, Vol. 44. pp. 33-48. ISBN 978-1-4615-0233-3

Cremer, Helmuth, Florens, Jean-Pierre, Grimaud, André, Marcy, Sarah, Roy, Bernard and Toledano, Joëlle (2001) Entry and Competition in the Postal Market: Fondations for the Construction of Entry Scenarios. Journal of Regulatory Economics, 19 (2). pp. 107-121.

Cazals, Catherine, Florens, Jean-Pierre and Roy, Bernard (2001) An Analysis of Some Specific Cost Drivers in the Delivrey Activity. In: Future Direction in Postal Reform Crew, Michael A. and Kleindorfer, Paul R. (eds.) Springer. Series “Topics in Regulatory Economics and Policy” pp. 197-211. ISBN 978-1-4615-1671-2