Regional innovation plays an important role in shaping new development momentum and is an important support for the construction of an innovative country. From the perspective of value chain, the two-stage input-output index system of urban innovation in Shandong Province was constructed, and the DEA-BCC model was used to evaluate the innovation efficiency of Shandong Province and other cities during 2013-2020. The findings are as follows: The innovation efficiency of the two stages of the province has great potential to improve, especially the economic transformation efficiency, and the pure technical efficiency is the key factor affecting the improvement of comprehensive innovation efficiency. The spatial heterogeneity of urban innovation efficiency is obvious. According to the research results, urban innovation can be divided into four types: efficient intensive type, high R&D type but low economic transformation, low R&D but high economic transformation type, and extensive and inefficient type. Finally, the paper puts forward the improvement path of urban innovation efficiency in Shandong Province.

Guiju Liu, Li Xu. Spatial heterogeneity analysis of urban innovation efficiency in Shandong Province. Academic Journal of Humanities & Social Sciences (2024) Vol. 7, Issue 1: 16-23. https://doi.org/10.25236/AJHSS.2024.070103.

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