Cremer, Helmuth, De Donder, Philippe, Dudley, Paul and Rodriguez, Frank (2012) Competition Between Mail and Electronic Substitutes in the Financial Sector: A Hotelling Approach. TSE Working Paper, n. 12-298, Toulouse

Cazals, Catherine, Dudley, Paul, Florens, Jean-Pierre and Jones, Michael (2012) A panel data analysis of inefficiency and heterogeneity in the postal sector. In: Multi-Modal Competition and the Future of Mail Crew, Michael A. and Kleindorfer, Paul R. (eds.) Michael A. Crew and Paul R. Kleindorfer. Chapter 8. pp. 109-123. ISBN 9780857935816

Cremer, Helmuth, De Donder, Philippe, Dudley, Paul and Rodriguez, Frank (2011) Optimal Pricing for Mail and Welfare Implications in a Communications Market. In: Reinventing the Postal Sector in an Electronic Age Edward Edgar Publishing. Chapter 6. pp. 73-90. ISBN 978 1 84980 360 1

Cazals, Catherine, Dudley, Paul, Florens, Jean-Pierre and Jones, Michael (2010) The Effect of Unobserved Heterogeneity in Stochastic Frontier Estimation: Comparison of Cross Section and Panel with Simulated Data for The Postal Sector. TSE Working Paper, n. 10-173

Cremer, Helmuth, De Donder, Philippe, Dudley, Paul and Rodriguez, Frank (2010) Welfare and Profit Implications for Changes in Service Specifications within the Universal Service. In: Heightening Competition in the Postal and Delivery Sector Crew, Michael A. and Kleindorfer, Paul R. (eds.) Edward Edgar Publishing. Chapter 11. pp. 161-180.

Cremer, Helmuth, De Donder, Philippe, Dudley, Paul and Rodriguez, Frank (2009) On the Value Added Taxation Status of National Postal Operators. Review of Network Economics, 8 (3). pp. 233-254.

Cremer, Helmuth, De Donder, Philippe, Dudley, Paul and Rodriguez, Frank (2009) Some Welfare and Pricing Implications of Alternative Regimes for Value-Added Taxation in Postal Services. In: Progress in the Competitive Agenda in the Postal and Delivery Sector Crew, Michael A. and Kleindorfer, Paul R. (eds.) Edward Elgar. pp. 145-162.

Cremer, Helmuth, De Donder, Philippe, Dudley, Paul and Rodriguez, Frank (2008) A Welfare and Pricing Analysis of Value Added Taxation in Postal Services. IDEI Working Paper, n. 508

Cremer, Helmuth, De Donder, Philippe, Dudley, Paul and Rodriguez, Frank (2008) Pricing, Welfare and Organisational Constraints for Postal Operators (part III). In: Competition and Regulation in the Postal and Delivery Sector Crew, Michael A. and Kleindorfer, Paul R. (eds.) Edward Elgar Publishing. Chapter 11. pp. 150-166.

Cremer, Helmuth, De Donder, Philippe, Dudley, Paul and Rodriguez, Frank (2006) Pricing and Welfare Implications of Alternative Approaches to Setting Price Controls in the Postal Sector. In: Progress Toward Liberalization of the Postal and Delivery Sector Springer. Series “Topics in Regulatory Economics and Policy” pp. 227-248. ISBN 978-0-387-29743-9

Cremer, Helmuth, De Donder, Philippe, Dudley, Paul and Rodriguez, Frank (2006) A Welfare Analysis of Price Controls with End-to-End Mail and Access Services. In: Liberalization of the Postal and Delivery Sector Crew, Michael A. and Kleindorfer, Paul R. (eds.) Edward Elgar Publishing. pp. 53-72.