Another look at the New York City school voucher experiment. Krueger AB, Zhu P. AB Krueger, P Zhu - American Behavioral Scientist, 2004 - journals.sagepub.com GSID: XGbnvIJ80HsJ
School choice as a latent variable: Estimating the “complier average causal effect” of vouchers in Charlotte. Cowen JM. JM Cowen - Policy Studies Journal, 2008 - Wiley Online Library GSID: mbVudh0Iv-cJ
Preventing mental, emotional, and behavioral disorders among young people: Progress and possibilities. [No authors listed] GSID: --RzTkkD6HcJ
Preventing mental, emotional, and behavioral disorders among young people: Progress and possibilities. Boat T, Warner KE. ME O'Connell, T Boat, KE Warner - 2009 - Citeseer GSID: a47L_9LwEu4J
Multivariate and propensity score matching software with automated balance optimization: the matching package for R. Sekhon JS. JS Sekhon - Journal of Statistical Software, Forthcoming, 2008 - papers.ssrn.com GSID: -A6vDe-kezsJ