作者：Zielenbach, S
作者单位：United States Department of the Treasury
作者：Lykens, KA; Jargowsky, PA
作者单位：University of North Texas System; University of North Texas Health Science Center; University of Texas System; University of Texas Dallas
摘要：In the late 1980s, a series of federal laws were enacted which expanded Medicaid eligibility to more of the nation's children. States had a great amount of discretion in how fast and how far these expansions were implemented. As a result, there was great variation among the states hi defining who was eligible for the program. This variation provides a rare opportunity to disentangle the effect of Medicaid from a child's socioeconomic status. Using data from the National Health Interview Survey...
作者：Zielenbach, S
作者单位：United States Department of the Treasury
作者：Howell, WG; Wolf, PJ; Campbell, DE; Peterson, PE
作者单位：University of Wisconsin System; University of Wisconsin Madison; Georgetown University; Harvard University
摘要：This article examines the effects of school vouchers on student test scores in New York, New York, Dayton, Ohio, and Washington, DC. The evaluations in all three cities are designed as randomized field trials. The findings, therefore, are not confounded by, the self-selection problems that pervade most observational data. After 2 Years, African Americans who switched from public to private school gained, relative to their public-school peers, an average of 6.3 National Percentile Ranking point...
