Data from the Health and Retirement Study indicate that hours constraints are a common feature of jobs held by workers nearing retirement. We present a simple model that predicts that workers who are not free to lower their usual hours of work should be more likely than their unconstrained...

This paper reexamines whether higher cigarette taxes will substantially reduce youth smoking. We study the impact of taxes during exactly the period in adolescence in which most smokers start their habits. We find weak or nonexistent tax effects in models of the onset of smoking between eighth...

We explore the effects of local ethnic and religious diversity on individual donations to private charities. Using 10-year neighborhood-level panels derived from personal tax records in Canada, we find that diversity has a detrimental effect on charitable donations. A 10 percentage point...

Many studies examine the importance of teachers in students' learning, but few exist on the contribution of principals. We measure the effect of principals on gains in primary test scores in North Carolina and estimate the standard deviation of principals' value added to be 0.12 -0.17. We find...

Many studies examine the importance of teachers in students' learning, but few exist on the contribution of principals. We measure the effect of principals on gains in primary test scores in North Carolina and estimate the standard deviation of principals' value added to be 0.12 -0.17. We find...