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标题: Class-Size Caps, Sorting, and the Regression-Discontinuity Design [打印本页]

作者: 龙琳 时间: 2014-4-11 14:48
标题: Class-Size Caps, Sorting, and the Regression-Discontinuity Design

题名	Class-Size Caps, Sorting, and the Regression-Discontinuity Design
链接	http://chinesesites.library.ingentaconnect.com/content/aea/aer/2009/00000099/00000001/art00007

作者: smart505 时间: 2014-4-11 14:48
http://1000eb.com/vk8u

作者: smart505 时间: 2014-4-11 14:49
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