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I argue for thinking of program evaluation as a decision problem. There are two steps. First. a counselor determines which program (treatment or control) each individual joins, based for example on maximizing the probability of employment or expected earnings. Second, the policymaker decides whether: to assign all individuals to treatment or to control, or to allow the counselor to choose. This framework has two advantages. Individualized assignment rules (known as profiling) can raise the average impact, improving cost effectiveness by exploiting treatment-impact heterogeneity. Second, it accounts systematically for inequality and uncertainty, and the policymaker's attitude toward these, in the evaluation. (C) 2004 Elsevier B.V. All rights reserved.
Keyword:
program evaluation
profiling
Bayesian econometric
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Crystal chemistry and metal-hydrogen bonding in anisotropic and interstitial hydrides of intermetallics of rare earth (R) and transition metals (T), RT3 and R2T7稀土 (R) 和过渡金属 (T) 的金属间化合物的各向异性和间隙氢化物中的晶体化学和金属氢键,RT3 和R2T7

