The next RITM Economics Seminar will take place on Monday 17 december, in Imbert (Jean Monnet – 54 boulevard Desgranges – 92330 Sceaux) from 12:00 to 13:00. Xavier d’Haultfoeuille (CREST) will present “Two-way fixed effects estimators with heterogeneous treatment effects” (with Clément de Chaisemartin).