PSM-DID代码及注释
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">PSM-DID模型<span style="color: black;">是由于</span>倾向得分匹配模型(Propensity Score Matching，以下简<span style="color: black;">叫作</span>PSM)和双室差分模型(Differences-in-Differences，以下简<span style="color: black;">叫作</span>DID)结合而成。PSM-DID模型是一种常用的计量经济学<span style="color: black;">办法</span>，用于<span style="color: black;">评定</span>政策或<span style="color: black;">干涉</span>的效果。# V) </p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">PSM-DID模型结合了PSM和DID<span style="color: black;">办法</span>的<span style="color: black;">优良</span>，先用PSM进行匹配，再用DID进行回归计算<span style="color: black;">干涉</span>带来的因果效应。非随机化实验将<span style="color: black;">引起</span>内生性，该<span style="color: black;">办法</span><span style="color: black;">能够</span><span style="color: black;">同期</span><span style="color: black;">处理</span>可观测变量和不可观测变量带来的<span style="color: black;">选取</span>偏差问题，使得结果更加准确。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">现将常用的PSM-DID代码给<span style="color: black;">大众</span>分享，并且附带注释，数据格式为stata格式（do文件），<span style="color: black;">期盼</span>能够<span style="color: black;">帮忙</span>到<span style="color: black;">大众</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="//q3.itc.cn/images01/20240510/0b396af3a4814e7485cbcfec10757f6e.png" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">资料<span style="color: black;">源自</span>：草莓<span style="color: black;">研究</span><a style="color: black;"><span style="color: black;">返回<span style="color: black;">外链论坛：www.fok120.com</span>，查看<span style="color: black;">更加多</span></span></a></p>
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