湖南工业集聚对绿色创新效率影响研究——基于环境规制视角

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基于SBM-DEA模型测算湖南省2011—2019年14个市、州工业绿色创新效率,并从环境规制视角建立面板门槛模型,探析专业化集聚与多样性集聚对绿色创新效率的影响。研究结果表明:1)湖南省整体工业绿色创新效率趋于平稳,各地区工业绿色发展水平存在显著差异;2)不同集聚模式下,环境规制对绿色创新效率存在门槛效应。专业化集聚对湖南工业绿色创新效率存在一定程度的抑制作用;多样化集聚对绿色创新效率作用呈“U”型:低强度的环境规制并不利于工业集聚促进绿色创新效率提升,规制强度超过临界点后工业集聚开始对绿色创新效率呈现
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