ÌÇÐÄvlog¹ÙÍø Authors See citation below for complete author information. Roger Porter IBM Professor of Business and Government Citation Porter, Roger B., Pierre Sauve, Arvind Subramanian, and Americo Beviglia Zampetti, eds. Efficiency, Equity, Legitimacy: The Multilateral Trading System at the Millennium. CBG-Brookings Institution, 2001.