This volume contains the Proceedings of the fourth Meeting Italian/American Philosophy on the theme "Reason and Reasonableness" that took place in Rome from October 8-11, 2003. To be reasonable does not mean anymore to follow steady rules but it meant to tray to understand the different point of view and widening our cultural criteria in order to find a common evaluation.

The fairness of institutions of global economic governance ranks among the most pressing issues of our time.