Innovation efficiency and spatial spillover in urban agglomerations: A case of the Beijing‐Tianjin‐Hebei, the Yangtze River Delta, and the Pearl River Delta

Yanwen Sheng, Jinli Zhao, Xuebo Zhang, Jinping Song and Yi Miao

Growth and Change, 2019, vol. 50, issue 4, 1280-1310

Abstract: Based on panel data of innovation inputs and outputs in 53 cities of the three major Chinese urban agglomerations (UAs) spanning the 2001–2015 period, this study examines the influence of the spatial spillover effect among cities on innovation efficiency in UAs using the SFA method and a spatial econometric model. Three main conclusions can be draw from the empirical results. First, the innovation efficiency in the three UAs has increased over the research period, but there is enormous potential for improvement. Second, owing to the close socioeconomic linkages and the flow of innovation resources, there is a significantly positive spatial spillover effect between cities on innovation efficiency in the three UAs. In other words, innovation efficiency in a local city was positively influenced by the other cities in the UA. Particularly, the innovation efficiency in a local city is influenced by factors related to not only the city itself but also other cities in the UA. Third, as the geographical distance increases, the spillover effect on innovation efficiency shows nonlinear variations, indicating that the excessive expansion in UAs may not be attributed to innovation development.

Date: 2019
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