Gaetano Lisi University of Cassino and Southern Lazio   via Umberto I Coreno Ausonio, FR 03040   gaetano.lisi@unicas.it     Biographical Sketch: Gaetano Lisi (Ph.D. in Economics, Firms and Quantitative Analysis at University of Cassino and Southern Lazio, 2010) is official with economic tasks at the Italian Tax Agency, lecturer at SSEF (Scuola Superiore dell'Economia e delle Finanze), and assistant teaching in Political Economy at University of Cassino and Southern Lazio. His main research interests cover the following topics: Matching and Job Search theory, Unemployment, Tax evasion and Underground Economy. In particular, he has written on the intricate relationship between unemployment and underground economy. Recently, he is interested to the role of psychological determinants of tax compliance (such as tax morale and trust in tax authorities) and to the study (both theoretical and empirical) of the house price dispersion.       JEL Areas: J6 : Mobility, Unemployment, and Vacancies: General L2 : Firm Objectives, Organization, and Behavior: General