We investigate short and long-term effects of early childhood education using variation created by a policy experiment in British Columbia, Canada. Our findings imply being in kindergarten longer increases the probability of repeating the third grade, and decreases tenth grade math and reading...

We investigate short and long-term effects of early childhood education using variation created by a unique policy experiment in British Columbia, Canada. Our findings imply starting Kindergarten one year late substantially reduces the probability of repeating the third grade, and meaningfully...

"We investigate short and long-term effects of early childhood education using variation created by a unique policy experiment in British Columbia, Canada. Our findings imply starting Kindergarten one year late substantially reduces the probability of repeating the third grade, and meaningfully...

Despite a strong interest in entrepreneurship, economists have devoted little attention to the role of health insurance availability. I investigate the impact of a unique policy experiment - New Jersey’s Individual Health Coverage Plan - on self-employment. Implemented in August 1993, the IHCP...

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...