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以中国低空经济政策为研究对象,基于PMC指数模型,结合文本挖掘方法,对103份政策文本进行高频词分析、主题聚类与多维度量化评价。通过构建包含政策性质、时效、内容、级别等9个一级变量和39个二级变量的评价体系,对1项国家级与7项区域性政策进行实证分析。结果表明:低空经济政策整体处于“良好”等级(PMC均值6.96),在政策受体覆盖与工具运用方面表现突出,但在政策层级协同、中长期规划、制度与环境领域存在明显短板。研究还发现,区域间政策力度存在显著差异,东部地区激励措施较强而中西部系统性不足。据此,提出应加强国家级顶层设计、优化政策时效结构、补齐制度与环境条款、推动区域协同与差异化激励等对策,以提升低空经济政策体系的系统性与有效性,为政府优化低空经济治理提供参考。

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