Selected State Substantive and Preemptive Laws 2009-2018, United States
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下载链接：
https://www.icpsr.umich.edu/web/HMCA/studies/38306/versions/V2
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资源简介：
The Selected State Preemptive Laws Dataset (SSPLD) was developed to study trends in preemption laws across states from 2009-2018. Researchers selected four domains where states and localities had enacted substantive and preemptive laws: (1) Paid sick days, (2) food, (3) tobacco, and (4) firearms. For three of these domains (sick days, food, and tobacco), state substantive laws are also included in this dataset for each of the policy topics included in the domain.
提供机构：
ICPSR - Interuniversity Consortium for Political and Social Research
创建时间：
2023-04-19
