Research/ Recherche

Research interests 

• Decision theory (decision under uncertainty and axiomatic behavioral economics),

• Contract theory

• Philosophy of Economics,

• Law and Economics

Publications 

Peer-reviewed journals 

• " Ambiguity, Optimism, and Pessimism in Adverse Selection Models " ,  with Lionel Thomas,   Journal of Economic Theory, volume 171, p. 64-100, September 2017 .

• "Second order beliefs models of choice under imprecise risk: non-additive second order beliefs vs. nonlinear second order utility" ,  Theoretical Economics , volume 9, issue 3, September 2014 .

• ``Money matters: an axiomatic theory of the endowment effect'' , Economic Theory , Volume 50, Number 2, pages 303-339, 2012.

• `` Are beliefs a matter of taste? A case for Objective Imprecise Information '', (with J.-M. Tallon). Theory and Decision , Volume 71, Number 1 , Pages 23-31 , 2011

• Tribute to Jean-Yves Jaffray. July, 22, 1939-February 26, 2009 ., (avec M. Cohen, A. Chateauneuf, E. Danan, T. Gajdos, M. Jeleva, F. Philippe, J.-M. Tallon, J.-C.Vergnaud), Theory and Decision , volume 71, numéro 1, p. 1-10, 2011 .

•  ``On the interpretation of the WTP/WTA gap as imprecise utility: an axiomatic analysis' ', Economics Bulletin , Vol. 30, Issue 1, March 2010 .

• " Framing Effects as Violations of Extensionality " (with Sacha Bourgeois-Gironde), Theory and Decision , vol 67, n° 4, p. 385,2009.

• " Anomalies dans la théorie des préférences: une interprétation et une proposition de formalisation "  Revue économique , volume 56, numéro 4, juillet 2005.

Collections 

• Entry "Kahneman et Tversky" in Encyclopédie des ressources humaines,  José Allouche (dir.), Vuibert, 3e édition, 2012 , p. 1887-1893.

• `` Le tournant cognitif en économie de la décision et des comportements '', with S. Bourgeois-Gironde,  in  Economie et Cogition , edited by B. Walliser, Ophrys, coll. Cogniprismes, August 2008 .

• `` Reference-dependent Preferences:An Axiomatic Approach to the Underlying Cognitive Process '', in  Cognitive Economics: New Trends , R. Topol and B. Walliser (eds.), Elsevier, Contributions to Economic Analysis series 2007.

• " Objective Imprecise Probabilistic Information, Second Order Beliefs and Ambiguity Aversion: an Axiomatization ", in Proceedings of the 4th International Symposium on Imprecise Probabilities and Their Applications, 2005. 

• « Quelques pistes d'analyse économique » (with E.Chantrel et S. Guibaud) 

• in Evaluer la justice , E. Breen (dir), PUF, collection Droit et Justice, juin 2002 .

Working Papers 

Decision under Uncertainty 

• An Elementary Axiomatization of the Smooth Ambiguity Model  (March 2016 version)

Law and Economics 

• " Confidence, Optimism and Litigation: A Litigation Model under Ambiguity " ,  with Nathalie CHAPPE 

Framing effects

• " A representation theorem for procedure-dependent preferences : implicit criteria and salience measures " Working Paper-University Paris I, 200 3

• Framing under risk : Endogenizing the reference point and separating cognition and decision "  Working Paper-University Paris I, 2004

Reference-dependent Preferences

•  " On the Theoretical Implications of the Endowment Effect: Preference for Liquidity and Reason-Based Choice Under Risk ", revised June, 22, 2023 ( Earlier version, July 2011, here).

• " Reference-dependent preferences : rationality, mechanism and welfare implications " 

Working Paper-University Paris I, 2004

My dissertation (in French)

• " Une théorie de la décision pour les préférences imparfaites " , 17 mai 2004 

Thesis Award from the Chancellerie des Universités de Paris