Core Insights - The "Chain Leader System" is an industrial governance mechanism where local government leaders act as "chain leaders" to enhance the modernization of industrial chains through resource coordination, technology improvement, and investment promotion [1][2]. Group 1: Implementation Overview - The system is implemented by local governments, with a focus on specific industries, and has been adopted in various cities across China since 2009 [1]. - A detailed search was conducted to identify the specific implementation dates and industries covered by the "Chain Leader System" in different cities [1]. Group 2: Data Collection - A dual difference-in-differences (DID) dataset is being constructed, covering enterprise-level and city-level data from 2009 to 2024 [1]. - The dataset includes various indicators such as province, city, implementation time, involved industries, and financial metrics like ROA, ROE, and cash flow [2].
上市公司、地级市链长制数据（2009-2024年）
Sou Hu Cai Jing·2025-12-29 04:06