a speech at the Washington Economic Club, Washington, D.C.

We use data on border enforcement and macroeconomic indicators from the U.S. and Mexico to estimate a two-country business cycle model of labor migration and remittances. The model matches the cyclical dynamics of labor migration to the U.S. and documents how remittances to Mexico serve an...

I present a simple model of migration in which the net migration rate into a state depends on the expected present value of labor market conditions and amenities. I show that though this is a common model, existing empirical estimates do not separately identify the underlying parameters. The...

This paper incorporates the timing of childbearing into a growth model with endogenous fertility. It analyzes a model in which individuals' human capital stock depends positively on their education and parental human capital and in which producing and raising children and acquiring human capital...

The conventional method used to project a country's future health care expenditures is to assume that relative health spending by age remains constant. This method has been criticized as being too pessimistic, on the one hand, because of continued improvements in the health status of older...