共 12 条
[1]
[Anonymous], INT ECON REV
[6]
Jann B., 2008, STATA IMPLEMENTATION
[7]
Jann B., 2005, STANDARD ERRORS BLIN
[9]
SMITH JP, 1989, J ECON LIT, V27, P519
[10]
Yun M-S., 2008, Journal of Economic and Social Measurement, V33, P27, DOI [DOI 10.3233/JEM-2008-0296, 10.3233/JEM-2008-0296]