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Friedman (1962) argued that a free market in which schools compete based upon their reputation would lead to an efficient supply of educational services. This paper explores this issue by building a tractable model in which rational individuals go to school and accumulate skill valued in a perfectly competitive labor market. To this it adds one ingredient: school reputation in the spirit of Holmstrom (1982). The first result is that if schools cannot select students based upon their ability, then a free market is indeed efficient and encourages entry by high productivity schools. However, if schools are allowed to select on ability, then competition leads to stratification by parental income, increased transmission of income inequality, and reduced student effort---in some cases lowering the accumulation of skill. The model accounts for several (sometimes puzzling) findings in the educational literature, and implies that national standardized testing can play a key role in enhancing learning.
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This paper: i) estimates the effect that going to a better school has on students' academic achievement, and ii) explores whether this intervention induces behavioral responses on the part of children, their parents, and the school system. For the first task, we exploit almost 2,000 regression discontinuity quasi-experiments observed in the context of Romania's high school educational system. For the second, we use data from a specialized survey of children, parents, teachers and principals that we implemented in 59 Romanian towns. The first finding is that students do benefit from access to higher achieving schools and tracks within schools. A second set of results suggests that the stratification of schools by quality in general, and the opportunity to attend a better school in particular, result in significant behavioral responses on the part of teachers, parents, and students. Although we do not expect the magnitude or even the direction of these responses to hold everywhere, their existence has a number of implications for evaluation, particularly since some of them change over time, and some would seem to be relevant only once interventions reach a certain scale.
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Many observers have argued that giving parents freedom to choose schools would improve education (Friedman, 1955). We review the evidence, and find little indication that households systematically prefer higher value added schools. We show that this can be explained using a competitive labor market model that takes into account both student and employer choice. The setup implies that households will often rationally prefer schools with high absolute achievement rather than high value added. As a result, school choice can exacerbate inequality without improving opportunities for the most disadvantaged students.
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We review the theoretical, computational, and empirical research on school vouchers, with a focus on the latter. In this substantial body of work, many studies find insignificant effects of vouchers on educational outcomes; however, multiple positive findings support continued exploration. Specifically, the empirical research on small scale programs does not suggest that awarding students a voucher is a systematically reliable way to improve educational outcomes. Nevertheless, in some settings, or for some subgroups or outcomes, vouchers can have a substantial positive effect on those who use them. Studies of large scale voucher programs find student sorting as a result of their implementation, although of varying magnitude. Evidence on both small scale and large scale programs suggests that competition induced by vouchers leads public schools to improve. Moreover, research is making progress on understanding how vouchers may be designed to limit adverse effects from sorting while preserving positive effects related to competition. Finally, our sense is that work originating in a single case (e.g., a given country) or in a single research approach (e.g., experimental designs) will not provide a full understanding of voucher effects; fairly wide ranging empirical and theoretical work will be necessary to make progress.
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This paper explores whether conditions during early childhood affect the productivity of later human capital investments. We use Romanian administrative data to ask if the benefit of access to better schools is larger for children who experienced better family environments because their parents had access to abortion. We combine regression discontinuity and differences-in-differences designs to estimate impacts on a high-stakes school-leaving exam. Although we find that access to abortion and access to better schools each have positive impacts, we do not find evidence of significant interactions between these shocks. While these results suggest the absence of dynamic complementarities in human capital formation, survey data suggest that they may also reflect behavioral responses by students and parents.
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This paper explores the implications of measuring college productivity in two different dimensions: earning and learning. We compute system-wide measures using administrative data from the country of Colombia that link social security records to students' performance on a national college graduation exam. In each case we can control for individuals' college entrance exam scores in an approach akin to teacher value added models. We present three main findings: 1) colleges' earning and learning productivities are far from perfectly correlated, with private institutions receiving relatively higher rankings under earning measures than under learning measures; 2) earning measures are significantly more correlated with student socioeconomic status than learning measures; and 3) in terms of rankings, earning measures tend to favor colleges with engineering and business majors, while colleges offering programs in the arts and sciences fare better under learning measures.
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