He graduated from Ecole Polytechnique in Paris and holds a PhD in Economics from the University of Chicago. Joel teaches at INSEAD in the MBA and Phd programmes as well as in various executive programmes. His research interests revolve around the generation and diffusion of information in financial markets, with applications to asset pricing, portfolio theory, mass media and economic growth. His works have been published in various journals including The Journal of Finance, The Review of Financial Studies, The Journal of Portfolio Management, and The Journal of Economic Theory. Research Areas