U.S. immigration enforcement policy seeks to change the behaviors and views of not only individuals in the United States but also those of prospective migrants outside the United States. Yet we still know relatively little about the behavioral and attitudinal effects of U.S. enforcement policy...

Why are there so many unauthorized migrants in the United States? Using unique survey data collected in Mexico through the Mexican Migration Project, I develop and test a new decisionmaking model of unauthorized labor migration. The new model considers the economic motivations of prospective...

A common assumption underlying the current public discourse and legal treatment of unauthorized immigrants is that unauthorized immigrants are lawless individuals who will break the law — any law — in search of economic gain. This notion persists despite substantial empirical evidence to the...