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职场新知 on MSN
9 天
【Stata 18新功能】我们应该控制哪个层级的固定效应?
用固定效应(FE)来估计面板数据模型是经济学和其它学科经验研究最常用的方法。固定效应估计量消除了个体层面的异质性。包括时间固定效应可以解释影响所有个体的长期宏观冲击。消除个体和时间固定效应会得到更加可信的政策分析结论,尤其是当干预在处理组群与时间上有 ...
FIRSTonline
11 天
Unicredit-Commerzbank: colpo grosso di Orcel in Germania che sale al 9% della banca tedesca ...
Unicredit compera il 4,49% di Commerz per 702 milioni di euro e diventa il secondo azionista con buone probabilità di conquistarla interamente. I titoli salgono entrambi in borsa ...
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