Clustering, Spatial Correlations and Randomization Inference
收藏NBER2010-02-01 更新2025-01-04 收录
下载链接：
https://www.nber.org/papers/w15760
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资源简介：
It is standard practice in empirical work to allow for clustering in the error covariance matrix if the explanatory variables of interest vary at a more aggregate level than the units of observation. Often, however, the structure of the error covariance matrix is more complex, with correlations
提供机构：
美国国家经济研究局
创建时间：
2010-02-01
