@techreport{NBERw12305,
 title = "Do Peers Affect Student Achievement in China's Secondary Schools?",
 author = "Weili Ding and Steven F. Lehrer",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "12305",
 year = "2006",
 month = "June",
 URL = "http://www.nber.org/papers/w12305",
}