在学习Cameron&Trivedi的《微观计量经济学:方法与应用》,用stata做倾向得分匹配时,在倾向打分阶段,进行到最后一步
时,一直显示The balancing property is not satisfied
Try a different specification of the propensity score
不知道要怎么修改?
第四步
%For completeness do same with common
support option NOT selected,相关命令如下:
. drop myscore myblock
. pscore TREAT $XDW02, pscore(myscore) blockid(myblock) numblo(5)
level(0.005) logit