共 35 条
[2]
[Anonymous], 325 NBER
[3]
[Anonymous], 1995, Observational Studies
[4]
AUGURZKY B, 2000, 271 IZA I STUD LAB
[6]
Bryson A., 2002, The use of propensity score matching in the evaluation of active labor market policies
[8]
CARLING K, 1999, 6 IFAU