Pietro Navarra is Professor of Public Economics at the University of Messina, Italy, where he is also Deputy Vice-Chancellor in charge of the budget. He is also visiting professor at the University of Pennsylvania, USA and a research associate at the Centre for Philosophy of Natural and Social Science (CPNSS) at the London School of Economics. He holds a Ph.D. in Economics from the University of Buckingham. Professor Navarra co-edited with Ram Mudambi and Giuseppe Sobbrio Rules and Reason: Perspectives on Constitutional Political Economy (Cambridge University Press, 2001) and coauthored with t...