Bruges European Economic Research papers http://www.coleurope.eu/eco/publications.htm The Determinants of Investment in Information and Communication Technologies by Paolo Guerrieri, Matteo Luciani* University of Rome “La Sapienza” and Valentina Meliciani ** University of Teramo * University of Rome “La Sapienza”, e-mail: paolo.guerrieri@uniroma1.it; matteo.luciani@uniroma1.it ** University of Teramo, Viale Crucioli 122, e-mail: vmeliciani@unite.it