------------------------------------------------------------------------------------
> ----
Variable Sample | Treated Controls Difference S.E. T-
> stat
----------------------------+-------------------------------------------------------
> ----
ipo Unmatched | 1.0524578 .843034852 .209422949 .145239883
> 1.44
ATT | 1.0524578 .808519444 .243938356 .235705246
> 1.03(t值)
这个对match有啥影响!我是期望显著不为0还是为0呢
谢谢