![Paris School of Economics on Twitter: "Best wishes to @Alexghersen (@PSEinfo @SorbonneParis1) who will defend his thesis entitled "Essays in Decision Theory and Information Design" today under the supervision of Jean-Marc Tallon Paris School of Economics on Twitter: "Best wishes to @Alexghersen (@PSEinfo @SorbonneParis1) who will defend his thesis entitled "Essays in Decision Theory and Information Design" today under the supervision of Jean-Marc Tallon](https://pbs.twimg.com/media/FjTfbyLXkAElX8h.png)
Paris School of Economics on Twitter: "Best wishes to @Alexghersen (@PSEinfo @SorbonneParis1) who will defend his thesis entitled "Essays in Decision Theory and Information Design" today under the supervision of Jean-Marc Tallon
![Jean-Baptiste Taillon (also known as François Tallon) Painting | Marc-Aurele de Foy Suzor-Cote Oil Paintings Jean-Baptiste Taillon (also known as François Tallon) Painting | Marc-Aurele de Foy Suzor-Cote Oil Paintings](https://cdn2.oceansbridge.com/2019/02/13085732/Jean-Baptiste-Taillon-also-known-as-Fran%C3%A7ois-Tallon-Marc-Aurele-de-Foy-Suzor-Cote-Oil-Painting-2.jpg)
Jean-Baptiste Taillon (also known as François Tallon) Painting | Marc-Aurele de Foy Suzor-Cote Oil Paintings
![Jean-Marc TALLON | Research Director | ph.D U. Penn, 1992 | Paris School of Economics | Research profile Jean-Marc TALLON | Research Director | ph.D U. Penn, 1992 | Paris School of Economics | Research profile](https://www.researchgate.net/profile/Jean-Marc-Tallon/publication/326712588/figure/tbl2/AS:677369916444673@1538508981038/Robustness-of-returns-moments-to-the-sample-split_Q320.jpg)
Jean-Marc TALLON | Research Director | ph.D U. Penn, 1992 | Paris School of Economics | Research profile
![Séminaire de travail : « Approches croisées de la décision », 27 janvier - PSE-Ecole d'économie de Paris Séminaire de travail : « Approches croisées de la décision », 27 janvier - PSE-Ecole d'économie de Paris](https://www.parisschoolofeconomics.eu/local/cache-vignettes/L400xH205/chaire-ose-logo-fr-a-4f63b.png)
Séminaire de travail : « Approches croisées de la décision », 27 janvier - PSE-Ecole d'économie de Paris
![Jean-Marc TALLON | Research Director | ph.D U. Penn, 1992 | Paris School of Economics | Research profile Jean-Marc TALLON | Research Director | ph.D U. Penn, 1992 | Paris School of Economics | Research profile](https://c5.rgstatic.net/m/437738464651637/images/template/default/profile/profile_default_l.jpg)