Previous studies tend to find that immigration has a weak negative effect on the employment and earnings of native-born workers. These studies overlook the effect of immigration on an important sector of the labor force, the self- employed. Anecdotal evidence suggests that immigrants, especially...

In the 1980s, many U.S. cities initiated programs reserving a proportion of government contracts for minority-owned businesses. The staggered introduction of these set-aside programs is used to estimate their impacts on the self-employment and employment rates of African-American men. Black...