Replication Data for: The Cost of Free Speech
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This dataset provides a complete analysis of independent expenditures in U.S. Senate and presidential elections spanning 2002-2020, with a focus on the regulatory change following the Supreme Court's decision in Citizens United v. FEC (2010). The analysis examines independent expenditure patterns across ten biennial election cycles, comparing the pre-Citizens United period (2002-2010) with the post-Citizens United period (2011-2020).
创建时间：
2026-03-02
