Albert O. Hirschman is a member of the Institute for Advanced Study in Princeton. He is the author of many books, includingExit, Voice, and Loyalty andThe Strategy of Economic Development.Robert H. Frank is Godwin Smith Professor of Economics, Ethics, and Public Policy at Cornell University. He is the author ofLuxury Fever (Princeton).Albert O. Hirschman is a member of the Institute for Advanced Study in Princeton. He is the author of many books, includingExit, Voice, and Loyalty andThe Strategy of Economic Development.Robert H. Frank is Godwin Smith Professor of Economics, Ethics, and Public Policy at Cornell University. He is the author ofLuxury Fever (Princeton).