共 35 条
[2]
[Anonymous], 2009, 00870 IFPRI
[7]
Caliendo M, 2008, ADV ECONOMETRICS, V21, P381, DOI 10.1016/S0731-9053(07)00013-8
[10]
Dehejia RH, 2000, REV ECON STAT, V84, P151