New Evidence about Brown v. Board of Education: The Complex Effects of School Racial Composition on Achievement
利用德克萨斯州学生的面板数据，研究发现黑人同学比例增加会降低黑人学生的成绩，但对白人学生影响很小且不显著，表明现有种族隔离部分解释了学业成绩差距。
Uncovering the effect of school racial composition is difficult because racial mixing is not accidental but instead an outcome of government and family choices. Using rich panel data on the achievement of Texas students, we disentangle racial composition effects from other aspects of school quality and from differences in abilities and family background. The estimates strongly indicate that a higher percentage of black schoolmates reduces achievement for blacks, while it implies a much smaller and generally insignificant effect on whites. These results suggest that existing levels of segregation in Texas explain a small but meaningful portion of the racial achievement gap. (c) 2009 by The University of Chicago. All rights reserved.