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We assigned two cohorts of kindergarten students, totaling more than 24,000 children, to teachers within schools with a rule that is as-good-as-random. We collected data on children at the beginning of the school year, and applied 12 tests of math, language and executive function (EF) at the end...
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Recession. I next develop a heterogeneous firm model with Bayesian learning and uncertainty shocks to study the aggregate …'s (1982) model of learning in a setting where each firm gradually learns about its own productivity, and each occasionally … experiences a shock forcing it to start learning afresh. Firms differ in their information; more informed firms have lower …
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cumulative learning between the first and the nth attempt while controlling for selection into retaking in terms of observed and … unobserved characteristics. Large learning gains measured in terms of improvements in the exam scores are found, especially among …
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received treatment. A framework to interpret this result is provided in which learning is the result of student …
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As addressing climate change becomes a high priority it seems likely that there will be a surge in interest in deploying nuclear power. Other fuel bases are too dirty (coal), too expensive (oil, natural gas) or too speculative (solar, wind) to completely supply the energy needs of the global...
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