以下是代码~
也请大家看看这里的代码有没有问题(自学太难了TT
无解释版本,直接输入版本(双向固定效应+以县域聚类)
gen time = (Year >= 2016)&!missing(Year)
gen treated = (id<6)&!missing(id)
gen did=Treat*Period
xtset id Year
xtreg lngdp did time treated i.Year, fe vce(cluster id)
xtreg lnpergdp did time treated i.Year, fe vce(cluster id)
xtreg lngdp did time treated X i.Year,fe vce(cluster id)
xtreg lnpergdp did time treated X i.Year,fe vce(cluster id)
无解释版本,直接输入版本(双向固定效应+以县域聚类+全部样本)
xtset id Year
xtreg lngdp Treat*Period Treat Period i.Year, fe vce(cluster id)
xtreg lnpergdp Treat*Period Treat Period i.Year, fe vce(cluster id)
xtreg lngdp Treat*Period Treat Period X i.Year,fe vce(cluster id)
xtreg lnpergdp Treat*Period Treat Period X i.Year,fe vce(cluster id)
?到底要不要对time、treated进行处理组的设定,还是说全部一起检验


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