Billette de Villemeur, Étienne, Cremer, Helmuth, Roy, Bernard and Toledano, Joëlle (2007) Worksharing, Access and Bypass: The Structure of Prices in the Postal Sector. Journal of Regulatory Economics, vol. 32 (n° 1). pp. 67-85.

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

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 Toledano, Joëlle (2004) Introduction au Chapitre 2 - La demande. In : Economie Postale : les Fondements Toledano, Joëlle (ed.) Economica. pp. 43-49.

Florens, Jean-Pierre, Marcy, Sarah and Toledano, Joëlle (2004) La demande de courrier à court et long terme. In : Economie Postale : les Fondements Toledano, Joëlle (ed.) Economica. pp. 50-71.

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.

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.

Florens, Jean-Pierre, Marcy, Sarah and Toledano, Joëlle (2002) Mail Demand in the Long and Short Term. In: Postal and Delivery Services: Pricing, Productivity, Regulation and Strategy Springer. Series “Topics in Regulatory Economics and Policy”, Vol. 41. Chapter 10. pp. 171-190. ISBN 0-7923-7638-2

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.