共 44 条
[2]
Angrist JD, 2009, MOSTLY HARMLESS ECONOMETRICS: AN EMPIRICISTS COMPANION, P1
[3]
[Anonymous], WORKING PAPER
[4]
Bartik T. J., 1991, WHO BENEFITS STATE L
[8]
Tight labor markets and the demand for education: Evidence from the coal boom and bust
[J].
INDUSTRIAL & LABOR RELATIONS REVIEW,
2005, 59 (01)
:3-16