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...

The paper studies the impact of unemployment benefits on immigration. A sample of 19 European countries observed over the period 1993-2008 is used to test the hypothesis that unemployment benefit spending (UBS) is correlated with immigration flows from EU and non-EU origins. While OLS estimates...