The law and economics of immigration policy michael j trebilcock university of toronto law school this article notes dramatic differences in growth over recent decades in the international movement of goods services and capital on the one hand and people on the other and also notes that there appear to be substantial potential global welfare gains from increased personal mobility thus . Abstract this article notes dramatic differences in growth over recent decades in the international movement of goods services and capital on the one hand. This volume brings together influential and diverse readings on the timely subject of immigration including not only work published by leading economists in economics journals but also important articles published by legal scholars in law reviews wit. Immigration law can be understood using screening models from the economic literature on labor markets in the short to medium term there will be increasing methodological divergence even as the use of economic ideas spreads to the farthest reaches of the law how these forces will play themselves out in the long term is beyond the ken of my crystal ball saul levmore william b graham