Patrick Lagadec: "The Megacrisis Unknown Territory: In Search of Conceptual and Strategic Breakthroughs", Cahier n° 2009-26, Département d'Economie, Ecole Polytechnique, Juillet 2009 ; draft d'un chapitre qui paraîtra dans Uriel Rosenthal, Brian Jacobs, Louise K. Comfort, Ira Helsloot: Megacrises, CC Thomas, Springfield Ill., USA, forthcoming.

Patrick Lagadec and Xavier Guilhou: "Coping with Non-Conventional Crises - From Traditional Crisis Management to Strategic Leadership in a Chaotic World: Guideposts", OECD, Directorate for Financial and Enterprise Affairs, Insurance and Private Pensions Committee, 23 June 2006.
With OECD kind authorization

On behalf of EDF, Debriefing at New Orleans. Team: Xavier Guilhou (XAG), Daniel Madet (EDF), Jean-Pierre Roche (ADP), Erwan Lagadec (Harvard University). Terms of reference: "Critical Networks and Katrina: unconventional crises challenges, response and policy".
Report: Xavier Guilhou, Patrick Lagadec, Erwan Lagadec: "Crucial Facts, Further Considerations," Non-Conventional crises and critical infrastructures " Katrina: Report-back Mission, New Orleans, Gulfport, February 19-25, 2006 ; Washington, DC, March 13-15, 2006. EDF, Risk Management Division, July 2006 (Original French).

Managing Vital Activities in an Unpredictable world - The large network operators and pandemic risks, EDF, 10 November 2005
Introduction: Pierre Beroux, Directeur du Contrôle des Risques
1. Patrick Lagadec: Issue Management - Flu Pandemic: core strategy
2. Pr William Dab and Patrick Lagadec: The Toronto Mission: Learning from the SARS crisis and preparing for the flu pandemic, October 10-14 2005

Arjen Boin (Leiden University) and Patrick Lagadec (Ecole Polytechnique): Building Crisis Management Capacity in Europe: A manifest for action, 21 March 2005

Patrick Lagadec: "Crisis Management in the 21st Century: Unthinkable Events in Inconceivable Contexts", Cahier du Laboratoire d'Econométrie, n°2005-003, February 2005.

Patrick Lagadec et Xavier Guilhou: "On-the-spot analyzes" / Banda Aceh Earthquake-Tsunami, 26 December 2004 - For Whom the Swell Tolls?, Cahier du Laboratoire d'Econométrie, n° 2005-001

Patrick Lagadec and Erwann Michel-Kerjan: “Meeting the Challenge of Interdependent Critical Networks under Threats: The Paris Initiative – Anthrax and Beyond", Ecole Polytechnique-Laboratoire d'Econométrie, Cahier n° 2004-014

Patrick Lagadec and Erwann Michel-Kerjan: "A Framework for Senior Executives to Meet the Challenge of Interdependent Critical Networks under Threat: The Paris Initiative – Anthrax and Beyond", Working Paper, Center for Risk Management and Decision Process, The Wharton School, The University of Pennsylvania, July 2004, WP#04-028

In collaboration with Claude Gilbert: "Crisis Management in France at a time of Decentralisation", XII th Congress of Sociology, 9-13 July 1990, Madrid, Committee n°39, session 1

Patrick Lagadec: "Incident, accident, catastrophe and cataclysm - Practice and Policy" - Ecole Polytechnique, April 1979