The contributors to this volume include numerous members of the trade policy community who analyze and discuss the salient social dimensions of U.S. trade policies. These issues include the effects of trade on wage inequality; trade and immigration policy; U.S. trade adjustment assistance policies; the effects of NAFTA on environmental quality; the role of labor standards in U.S. trade policies; the economics of labor standards and the GATT; issues of child labor; and the role of interest groups in the design and implementation of U.S. trade policies. Chapter authors are Kyle Bagwell, Claude Barfield, George J. Borjas, Drusilla K. Brown, Alan V. Deardorff, Nancy Dunne, Gary S. Fields, John Kirton, Mike Jendrzejczyk, Phyllis Shearer Jones, Edward E. Leamer, Robert Naiman, Gregory K. Schoepfle, Robert W. Staiger, and Robert M. Stern. Commenters are Steve Beckman, Jagdish Bhagwati, Alan V. Deardorff, Avinash Dixit, Pharis Harvey, David van Hoogstraten, John H. Jackson, Lawrence Mishel, Jack Otero, J. David Richardson, Dani Rodrik, Mark Silbergeld, and T. N. Srinivasan. Alan V. Deardorff and Robert M. Stern are Professors of Economics and Public Policy, University of Michigan.