Terrorism, immigration and asylum approval

Using the universe of individual asylum cases in the United States from 2000–2004 and a difference-in-differences research design, we test whether Sept. 11, 2001 decreased the likelihood that applicants from Muslim-majority countries were granted asylum. Our estimates suggest that the attacks resulted in a 3.2 percentage point decrease in the likelihood that applicants from Muslim-majority countries are granted asylum. The estimated effect is...