Ten states, beginning with Texas and California in 2001, have passed laws permitting undocumented students to pay the in-state tuition rate - rather than the more expensive out-of-state tuition rate - at public universities and colleges. We exploit state-time variation in the passage of the laws...

We examine the incentive effects of transfer programs using a unique policy episode. Prior to 1989, social assistance recipients without children in Quebec who were under age 30 received benefits 60 percent lower than recipients older than 30. We use this sharp discontinuity in policy to...