This paper documents where immigrants who enter the U.S. with different types of visas ("green cards") choose to live initially and what determines those location choices. Using population data on immigrants from the Immigration and Naturalization Service from 1971 to 2000, matched to data on...

We measure the extent to which skilled immigrants increase innovation in the United States by exploring individual patenting behavior as well as state-level determinants of patenting. The 2003 National Survey of College Graduates shows that immigrants patent at double the native rate, and that...