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在数字经济与实体经济深度融合背景下,建筑企业数字化转型已成为提升创新投入、实现高质量发展的关键。为此,以2016—2023年107家建筑行业上市公司为样本,采用双重固定效应模型,实证检验数字化转型同群效应对企业创新投入的作用机制。研究发现,建筑企业数字化转型存在显著的同群效应,并通过加强市场竞争强度促进企业创新投入。异质性分析进一步揭示该效应在小规模企业与老牌企业中更为显著。研究致力于为未来建筑企业推动数字化转型、制定差异化创新战略提供一定的参考价值。

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