公共服务可以吸引优质创新要素,促进高技术产业的集聚,从而推动区域绿色发展。本文在分析公共服务供给对区域绿色发展作用机理的基础上,利用2010-2020年中国省域面板数据,建立空间杜宾模型,从高技术产业集聚视角实证检验公共服务供给对区域绿色发展的影响。结果显示：①公共服务供给和高技术产业集聚均可以促进当地绿色发展,并对周边地区产生正向溢出效应。②高技术产业集聚在公共服务供给和区域绿色发展之间发挥中介作用,即公共服务供给的规模、结构和质量,有助于促进高技术产业的集聚,从而推动区域绿色发展。③高技术产业集聚与区域绿色发展间存在非线性关系,不同门槛值下高技术产业集聚对区域绿色发展的促进作用不同,当集聚程度超过门槛值时,对区域绿色发展的影响呈现递减效应。④研究还发现,不同类型的公共服务对区域绿色发展的作用存在差异性,相对于基础设施类公共服务,民生类公共服务对区域绿色发展的促进效用更为显著；另外,公共服务供给对区域绿色发展影响也存在区域异质性特征,东、西部和东北地区公共服务供给水平的提升对区域绿色发展的影响显著为正,而中部地区没有体现明显的促进作用。

Public services can attract high-quality innovation elements and promote the agglomeration of high-tech industries, thus promoting regional green development. Based on the analysis of the effect mechanism of public service supply on regional green development, this paper establishes a spatial Dubin model based on China"s provincial panel data from 2010 to 2020, and empirically tests the impact of public service supply on regional green development from the perspective of high-tech industry agglomeration. The results show that: ① Both public service supply and high-tech industry agglomeration can promote local green development, and have a positive spillover effect on surrounding areas. ② High-tech industry agglomeration plays an intermediary role between public service supply and regional green development, that is, the scale, structure and quality of public service supply contribute to the agglomeration of high-tech industry and promote regional green development. ③ There is a non-linear relationship between high-tech industry agglomeration and regional green development. Under different threshold values, high-tech industry agglomeration has different promoting effects on regional green development. When the agglomeration degree exceeds the threshold value, the impact on regional green development shows a decreasing effect. ④ The research also found that different types of public services have different effects on regional green development. Compared with infrastructure public services, public services related to people"s livelihood have a more significant promoting effect on regional green development. In addition, there is regional heterogeneity in the impact of public service supply on regional green development. The improvement of public service supply in the east, west and northeast has a significantly positive impact on regional green development, while the central region does not show an obvious promoting effect.

国家社会科学“‘产-才-城’适配视域下长三角人才一体化发展的协同机制研究”(批准号：21BGL016)；江苏高校哲学社会科学研究重大项目“技术型创业团队的成长机制与培育路径研究”(批准号：2021SJZDA027)；江苏省知识产权软科学研究计划项目“科创板上市公司创新能力分析及培育路径研究”(批准号：JSIP-2021-R-B04)。