Contents -- Preface -- 1. Introduction and Overview / Alan V. Deardorff and Robert M. Stern -- 2. Foreigners and Robots: Assistants of Some, Competitors of Others / Edward E. Leamer -- Comment / Lawrence Mishel -- Comment / T. N. Srinivasan -- 3. Economic Research and the Debate over Immigration Policy / George J. Borjas -- Comment / Joaquin F. Otero -- Comment / Jagdish Bhagwati -- 4. U.S. Trade Adjustment Assistance Policies for Workers / Gregory K. Schoepfle -- Comment / Steven M. Beckman -- Comment / J. David Richardson -- 5. Trade and Environmental Quality / John J. Kirton -- Comment / David van Hoogstraten -- Comment / Alan V. Deardorff -- 6. The Role of Labor Standards in U.S. Trade Policies / Gary S. Fields -- Comment / Pharis Harvey -- Comment / Dani Rodrik -- 7. The Simple Economics of Labor Standards and the GATT / Kyle Bagwell and Robert W. Staiger -- Comment / John H. Jackson -- Comment / T. N. Srinivasan -- 8. A Transactions Cost Politics Analysis of International Child Labor Standards / Drusilla K. Brown -- Comment / Mark Silbergeld -- Comment / Avinash K. Dixit -- 9. The Role of Interest Groups in the Design and Implementation of U.S. Trade Policies -- Claude E. Barfield -- Phyllis Shearer Jones -- Robert Naiman -- Mike Jendrzejczyk -- Nancy Dunne -- About the Authors.