
高技术行业国企混改与企业创新投入——基于混改深度的异质性分析
Mixed Reform of State-owned Enterprises in High-Technology Industries and Enterprises' Innovation Investment: A Heterogeneity Analysis Based on the Depth of Mixed Reforms
混合所有制改革;创新投入;公司治理结构;多时点DID
Mixed Ownership Reform;Innovative Inputs;Corporate Governance Structure;Multi-period DID
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