Cazals, Catherine, Magnac, Thierry, Rodriguez, Frank, Pope, Jonathan and Soteri, Soterios (2022) Has the Covid pandemic accelerated the rate of decline in business letters? Some early and preliminary analysis and thoughts. In: The economics of the postal and delivery sector: Business strategies for an essential service Parcu, Pier Luigi, Brennan, Timothy J. and Glass, David Victor (eds.) Springer. Series “Topics in Regulatory Economics and Policy” Cham ISBN 978-3-030-82692-5

Borsenberger, Claire, Cremer, Helmuth, Joram, Denis, Lozachmeur, Jean-Marie and Malavolti-Grimal, Estelle (2022) Data and the Regulation of E-commerce : Data Sharing vs. Dismantling. In: The Economics of the Postal and Delivery Sector: Business Strategies for an Essential Service Parcu, Pier Luigi, Brennan, Timothy J. and Glass, Victor (eds.) Springer Nature Switzerland AG. Series “Topics in Regulatory Economics and Policy” Cham pp. 49-66. ISBN 978-3-030-82692-5