This paper examines the effect of technological change and other factors on the relative demand for workers with different education levels and on the recent growth of U.S. educational wage differentials. A simple supply-demand framework is used to interpret changes in the relative quantities,...

This paper presents a theoretical and empirical study of how immigration influences the joint determination of the wage structure and internal migration behavior for native-born workers in local labor markets. Using data from the 1960-2000 decennial censuses, the study shows that immigration is...