Barbara Annicchiarico Department of Economics, University of Rome ‘Tor Vergata’'   Via Columbia 2 Roma, 00133 Italy   barbara.annicchiarico@uniroma2.it             JEL Areas: E5 : Monetary Policy, Central Banking, and the Supply of Money and Credit: General E6 : Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General