students' lifetime income by more than $250,000 for the average class- room in our sample. We conclude that good teachers …Are teachers' impacts on students' test scores ("value-added") a good measure of their quality? This question has …' impacts on student achievement and (2) whether high-VA teachers improve students' long-term outcomes. We address these two …

-experimental design based on changes in teaching staff. Using school district and tax records for more than one million children, we find …

widespread rhetoric about the democratization' of higher education that came with this large pool of students, there is little …

-experimental variation in state spending. Unlike previous measures, we find that high-income-modest-ability students especially benefit since … students. This implies that the net benefits to students who do not attend public colleges is negative. However, they miss … private colleges admit, what prices they charge, and the number of students who enroll in any college. We show that capturing …