Elyès Jouini (born in Tunis on January 5th, 1965) is a French Tunisian economist and Distinguished Professor of Economics at the University of Paris Dauphine.
His research is mainly in the area of financial economics, in particular transaction costs, heterogeneous beliefs, aggregation, long-term risk and the maturity structure of interest rates.
After early research on general equilibrium theory, he got interested in modeling financial markets by including both economic and financial dimensions as well as dimensions pertaining to psychology or sociology.
His research has been acknowledged by the Best Young French Economist Award in 2005 (together with Esther Duflo, 2008's Best Paper Award in Finance by Europlace Institute of Finance, and the 2009 Finance and Sustainability European Research Award, and was named Chevalier de la Legion d'honneur in 2010.