This paper empirically examines the educational selectivity of United States immigrants and of those that return to their source country. Data from the 1970 to 2000 U.S. Census and the 2010 American Community Survey are employed. Ten countries are selected for the study based on their historical...

We exploit rules of class formation to identify the causal effect of increasing the number of immigrants in a classroom on natives test scores, keeping class size constant (Pure Composition Effect). We explain why this is a relevant policy parameter although it has been neglected so far. We show...