NEWS
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- Misperception, Self-Reported Probabilities and Long Term Care Insurance Take-Up in the United States 
 with Thomas Blavet (CES, Université Paris 1 Panthéon Sorbonne, FR), Thomas Rapp (LIRAES, Université Paris Cité, LIEPP Sciences Po, FR)
 and Jonathan Sicsic (LIRAES, Université Paris Cité, LIEPP Sciences Po, FR) - new version
revised and resubmitted (x2)
- Optimal Liability Rules for Human-AI Health Care Decisions 
 with Olivier Musy (LIRAES, Université Paris Cité, FR)
 accepted for publication in Annals of Economics and Statistics
- Liability Law, Defensive Medicine and Healthcare Quality 
 accepted for publication in The International Review of Law and Economics
- NEW (Sept. 2025): RD Cooperation and Spillovers: Do Research Joint Ventures Improve Welfare? 
 with Yassine Badra (PHEAAC, Université des Antilles, FR)
 and Huizhong Liu (Wenlan School of Business, Zhongnan University of Economics and Law, Wuhan, China).
 under revision
- Behavioral Determinants of Blood Donation: New Insights from the French Context 
 with Maria Errea (Office of Health Economics in London, UK) and Nicolas Sirven (The EHESP School of Public Health, FR)
 submitted
Available upon request, please contact bertrand.chopard@u-paris.fr
Working papers
- Clinical Practice Guidelines and Liability 
 with Ludivine Roussey (LIRAES, Université Paris Cité, FR)
 working paper being updated
- RD Cooperation and Spillovers: Do Research Joint Ventures Improve Welfare? 
 was presented at the International Conference on Public Economic Theory, 23 - 25 June, 2025, Lisbon, Portugal.
 Session B8 : Industrial Organization.
- Creditor Concerns in Lay Hands: The Influence of Non-Professional Courts on Post-Default Recovery Rates 
 with Régis Blazy (University of Strasbourg, EM Strasbourg, Sciences Po Srasbourg and LARGE, FR) and Ludovico Maria Cocco (Ca' Foscari University Venice, IT)
Work in progress
- Negligence Rule and Healthcare Provider's Incentives with Payment Schemes 
- Balance Billing in Health Care: When Physician Pricing Fails Social Efficiency 
- Out-of-Court Bargaining between Financially Distressed Debtors and Creditors