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 …

mobility. If children with low-SES parents were to grow up in counties with economic connectedness comparable to that of the … upward income mobility identified to date, whereas other social capital measures are not strongly associated with economic … average child with high-SES parents, their incomes in adulthood would increase by 20% on average. Differences in economic …

outcomes, such as lower rates of upward income mobility. Here, we analyze the determinants of cross-class interaction using …-SES friendships (economic connectedness). Using fluctuations in the share of high-SES students across high school cohorts, we show …

child's probability of attending college and her parents' income rank. We also calculate transition probabilities, such as a … these measures, we find that children entering the labor market today have the same chances of moving up in the income … distribution (relative to their parents) as children born in the 1970s. However, because inequality has risen, the consequences of …

housing vouchers to move to lower-poverty neighborhoods. We present new evidence on the impacts of MTO on children's long … college attendance rates and earnings for children who were young (below age 13) when their families moved. These children … also live in better neighborhoods themselves as adults and are less likely to become single parents. The treatment effects …