Working Papers

We use a detailed establishment-level dataset from Germany to document a new dimension of firm heterogeneity: large firms spend a higher share of their wage bill on immigrants than small firms.

We use survey data to document a strong heterogeneity in stated degrees of worry about environmental problems across racial groups.

How do local government borrowing, default, and migration interact? We find in-migration results in excessive debt accumulation due to a key externality: Immigrants help repay previously issued debt.

Sometimes money gets used when it should not, and we investigate why using surveys plus measures.

We study the implications of incarceration for the earnings and employment of different groups, characterized by their race, gender, and education.

While the savings of retired singles tend to fall with age, those of retired couples tend to rise. We estimate a rich model of retired singles and couples with bequest motives and uncertain longevity and medical expenses.

Many countries have industrialized and grown rapidly by adopting modern technologies. Why don't poor countries adopt more productive technologies? Is there a role for policies that coordinate technology adoption?