... COMPARING TWO GLOBAL CENTURIES Jeffrey G Williamson, 2004 The Political Economy of World Mass Migration Comparing Two Global Centuries Jeffrey G Williamson The AEI Press Publisher for the American... emeritus of AEI GROWTH AND INTERACTION IN THE WORLD ECONOMY: THE ROOTS OF MODERNITY Angus Maddison, 2001 IN DEFENSE OF EMPIRES Deepak Lal, 2002 THE POLITICAL ECONOMY OF WORLD MASS MIGRATION: COMPARING. .. trustees of AEI Printed in the United States of America Contents LIST OF ILLUSTRATIONS vi ACKNOWLEDGMENTS vii THE POLITICAL ECONOMY OF WORLD MASS MIGRATION Immigrants during Two Global Centuries: