Do immigrants make goods from their origin country more accessible to their non-immigrant neighbors? We augment U.S. grocery scanner data to include the origin country of both households and products, thereby enabling the first direct estimate of how local immigrant presence affects import...

Legal and illegal markets often coexist. In theory, marginal legalization can either substitute for the remaining parallel market, or complement it via scale effects. I study migrants crossing without prior authorization at the US southwest border, where large-scale unlawful crossing coexists...