Extensive debate exists among policy makers and economists about the employment of highly skilled immigrants in the U.S. It remains unclear whether these immigrants perform complementary tasks in addition to their substitutive role relative to native graduates. Empirical studies examining these...

Immigrants receiving advanced educational degrees in the U.S. play an increasingly important role in the U.S. economy. Visa regulation concerning their employment by U.S. corporations, however, is a subset of the overall H-1B visa policy that has remained largely unchanged over the last 25 years...