#每月一个计量模型# 打卡DID
利用Card and Krueger(1994)的数据cardkrueger1994.dta，估计新泽西州最低工资调整对新泽西州快餐业就业的影响，数据为两期面板数据，代码为：
use cardkrueger1994, clear //导入数据
gen gd=t*treated //定义交叉项
reg fte gd treated t bk kfc roys, r //手工计算did
diff fte, treated(treated) period(t) cov(bk kfc roys) robust //用命令diff估计
参考：陈强《高级计量经济学》

Spotify asked all the best new artist nominees to record a couple new bits as spotify singles :) soooo we did a cover of the wonderful #Lorde# and her gorgeous summer stunner solar power with a couple wonderful backing singers. AND…we did a new version of I Don’t Wanna Talk stripped back :)

thank you to the choir…this would have been nothing without your incredible voices. ❤️

album - https://t.cn/A66OQpFL

shoto和vox再联动直播多几次我就可以调成英国作息了[微笑]完全不舍得关直播

vox拿外卖，shoto：等他回来我们就先这样再那样，他的反应一定会很好笑
vox回来：你们在聊什么
shoto be like：

vox吃外卖：taste good
shoto：taste better than me？

vox：我听说你喊我daddy
shoto：I DID NOT SAY THAT！
弹幕：He did.

我真的会笑死