Data for "Shorter Hours and Productivity: Evidence From Bituminous Coal"
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https://dataverse.harvard.edu/citation?persistentId=doi:10.7910/DVN/WB0LAK
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资源简介：
Includes (1) panel of Illinois coal mines 1891-1905 and (2) panel of U.S. coal-mining states 1903-1929. Mine panel is from Illinois Bureau of Labor Statistics, "Coal in Illinois," various issues. State panel is from U.S. Geological Survey, "Mineral Resources of the United States," various issues.
提供机构：
Harvard Dataverse
创建时间：
2023-07-16
