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Borsenberger, Claire, Cremer, Helmuth, Joram, Denis and Lozachmeur, Jean-Marie (2019) Vertical integration in the e-commerce sector. In: New Business and Regulatory Strategies in the Postal Sector Brennan, T.J, Glass, Victor and Parcu, P.L (eds.) Springer International Publishing. pp. 143-16. ISBN 978-3-030-02937-1
Cremer, Helmuth, De Donder, Philippe, Dudley, Paul and Rodriguez, Frank (2013) Allocating fixed costs in the postal sector in the presence of changing letter and parcel volumes: applied in outdoor delivery. TSE Working Paper, n. 13-378
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).
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
