PhD Graduate in EUROPEAN PH.D. IN SOCIO-ECONOMIC AND STATISTICAL STUDIES XXXV YASMIN DOGHRI supervisor: Fabio Sabatinico-supervisor: Gianluca Grimalda and Tommaso Reggiani JACOPO TEMPERINI supervisor: Anna Conteadvisor: Anna Conte XXXIV PAOLO ROBERTO TUMMOLO supervisor: Fabio Sabatinico-supervisor: Michele Raitano XXXIII TOMMASO BECHINI NIKOLAY GEORGIEV BOGATZKY JESSICA DI COCCO FRANCESCO MARIA SALVATORE FIORE MELACRINIS XXXII RAFFAELE CIULA CONCETTA DANESE VITANTONIO MARIELLA