基于耦合协调度、熵值加权法、相对价格法以及多元回归分析等方法，从创新投入、产出和协同三个维度构建区域创新能力指标体系，实证考察了市场分割如何影响区域创新能力。研究发现：市场分割显著抑制了区域创新能力提升；细分维度来看，市场分割对创新投入的负向影响大于创新协同，而对创新产出的影响不明显；市场分割的抑制效应主要通过锁定市场需求规模、抑制人力资本积累以及降低资源配置效率实现的；此外，随着区域创新能力由条件分布的低水平向高水平迈进，其抑制效应呈现先强化后弱化的倒“U”型趋势；进一步地，地区特征对于两者之间关系表现出显著异质性效应，在技术市场发达、金融发展和市场化水平较高的地区，其负向影响得以缓解。

Based on coupling coordination degree, entropy weighted method, relative price method and multiple regression analysis,an index system of regional innovation ability was constructed from three dimensions of innovation input, output and collaboration, and empirically examines how market segmentation affects regional innovation capability. The study found that market segmentation significantly inhibited the improvement of regional innovation capabilities, which had the most negative impact on innovation input, followed by innovation output, and minimum innovation synergy; the inhibitory effect of market segmentation was mainly achieved by locking the scale of market demand, restraining the accumulation of human capital and reducing the efficiency of resource allocation. In addition, as the regional innovation capacity moves from a low level of conditional distribution to a high level,its inhibitory effect showed an inverted u-shaped trend of first strengthening and then weakening.Further, the regional characteristics show a significant heterogeneity effect on the relationship between the two.In the regions with developed technology market, high level of financial development and marketization, its negative impact can be alleviated.

F124.3

江西省教育厅科学技术研究项目(青年项目)“市场分割对区域创新能力的影响研究”(GJJ202627)；