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Multifaceted Aid for Low-Income Students and College Outcomes: Evidence from North Carolina 智库出版物
2016
作者:  Charles T. Clotfelter;  Steven W. Hemelt;  Helen F. Ladd
Adobe PDF(976Kb)  |  收藏  |  浏览/下载：0/0  |  提交时间：2022/10/09
Raising the Bar for College Admission: North Carolina\u2019s Increase in Minimum Math Course Requirements 智库出版物
2016
作者:  Charles T. Clotfelter;  Steven W. Hemelt;  Helen Ladd
Adobe PDF(639Kb)  |  收藏  |  浏览/下载：0/0  |  提交时间：2022/10/09
Public Universities, Equal Opportunity, and the Legacy of Jim Crow: Evidence from North Carolina 智库出版物
2015
作者:  Charles T. Clotfelter;  Helen F. Ladd;  Jacob L. Vigdor
收藏  |  浏览/下载：0/0  |  提交时间：2022/10/08
The Growing Segmentation of the Charter School Sector in North Carolina 智库出版物
2015
作者:  Helen F. Ladd;  Charles T. Clotfelter;  John B. Holbein
收藏  |  浏览/下载：0/0  |  提交时间：2022/10/08
Algebra for 8th Graders: Evidence on its Effects from 10 North Carolina Districts 智库出版物
2012
作者:  Charles T. Clotfelter;  Helen F. Ladd;  Jacob L. Vigdor
Adobe PDF(399Kb)  |  收藏  |  浏览/下载：0/0  |  提交时间：2022/10/08
The Aftermath of Accelerating Algebra: Evidence from a District Policy Initiative 智库出版物
2012
作者:  Charles T. Clotfelter;  Helen F. Ladd;  Jacob L. Vigdor
Adobe PDF(225Kb)  |  收藏  |  浏览/下载：0/0  |  提交时间：2022/10/08
Teacher Mobility, School Segregation, and Pay-Based Policies to Level the Playing Field 智库出版物
2010
作者:  Charles Clotfelter;  Helen Ladd;  Jacob Vigdor
Adobe PDF(668Kb)  |  收藏  |  浏览/下载：0/0  |  提交时间：2020/06/24
Are Teacher Absences Worth Worrying about in the U.S.? 智库出版物
2009
作者:  Charles Clotfelter;  Helen Ladd;  Jacob Vigdor
Adobe PDF(382Kb)  |  收藏  |  浏览/下载：0/0  |  提交时间：2020/06/24
School Segregation Under Color-Blind Jurisprudence: The Case of North Carolina 智库出版物
2008
作者:  Charles Clotfelter;  Helen Ladd;  Jacob Vigdor
Adobe PDF(303Kb)  |  收藏  |  浏览/下载：0/0  |  提交时间：2020/06/24
Are Teacher Absences Worth Worrying About in the U.S.? 智库出版物
2007
作者:  Charles T. Clotfelter;  Helen F. Ladd;  Jacob L. Vigdor
Adobe PDF(250Kb)  |  收藏  |  浏览/下载：0/0  |  提交时间：2022/10/08