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 (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

Cazals, Catherine, Florens, Jean-Pierre and Soteri, Soterios (2005) Delivery Costs for Postal Services in the UK: Some Results on Scale Economies with Panel Data. 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. 203-212. ISBN 978-0-387-23637-7

Cremer, Helmuth, De Donder, Philippe and Rodriguez, Frank (2005) Access Pricing in the Postal Sector. Results from a Model with Bypass and Customer Direct Access. 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. 163-187. ISBN 978-1-4020-7972-6