共 25 条
[1]
[Anonymous], 1999, EC SCH QUALITY INVES
[2]
BERNABE S, 2002, PROFILE LABOUR MARKE
[5]
CORD L, 2003, LUC C CIS 7 IN JAN 2
[6]
*GORBI GEORG STAT, 2003, FISC COMM SURV REP G
[8]
Characterizing selection bias using experimental data
[J].
ECONOMETRICA,
1998, 66 (05)
:1017-1098
[10]
Jacoby H., 2002, ECON J, V110, P713

