共 61 条
[4]
Angrist JD, 1996, J AM STAT ASSOC, V91, P444, DOI 10.2307/2291629
[5]
Angrist JD, 2009, MOSTLY HARMLESS ECONOMETRICS: AN EMPIRICISTS COMPANION, P1
[6]
[Anonymous], 2009, 15473 NBER
[7]
[Anonymous], 2010, 20104029 NCEE US DEP
[8]
Barrow L., 2009, IMPACT SMALL SCH CHI
[10]
Bifulco R., 2014, WORKING PAPER