We analyze the effect of immigrants' legal status on their consumption behavior using unique survey data that samples both documented and undocumented immigrants. To address the problem of sorting into legal status, we propose two alternative identification strategies as exogenous source of...

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...