@conference {1281, title = {Personal income in the gross and net forms: applications of the Siena Micro-Simulation Model (SM2)}, booktitle = {conference of the Societ{\`a} Italiana di Economia, Demografia e Statistica (SIEDS), Campobasso}, year = {2003}, author = {Verma, V and Betti, G and Ballini, F and Michela Natilli and Galgani, S} }