tlooto
注册
EconomicsMathematics

Sample selection bias as a specification error

J. Heckman

1979Applied Econometrics

DOI: 10.2307/1912352

摘要

摘要不可用。

引用格式

HECKMAN, J. Sample selection bias as a specification error. Applied Econometrics, 1979, 31: 129–137.