共 47 条
[3]
Angrist JD, 1996, J AM STAT ASSOC, V91, P444, DOI 10.2307/2291629
[5]
[Anonymous], 1998, ASYMPTOTIC STAT, DOI DOI 10.1017/CBO9780511802256
[6]
[Anonymous], 1748, ENQUIRY HUMAN UNDERS
[7]
[Anonymous], JASA
[8]
[Anonymous], ENCY STAT BEHAV SCI