matched_HS_improved_corrections_stablestations.tab
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下载链接：
https://dataverse.harvard.edu/file.xhtml?persistentId=doi:10.7910/DVN/3LOR3R/BJFHV9
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资源简介：
same as matched_HS_improved_corrections.dta but keeping measurement stations fixed for any variable (pollution) or set of variables (weather) within any city-year (the station selected is the one within 20 miles with the fewest missing measurement days)
提供机构：
Harvard Dataverse
创建时间：
2020-07-06
