Social proximity and urban innovation: a megalopolis perspective

Cui Zhang, Baifang Wang and Jiali Ye

Applied Economics Letters, 2025, vol. 32, issue 5, 587-591

Abstract: This article distinguishes between intra- and inter-megalopolitan social proximity and assesses the relative importance of such two types of proximity on a city’s inventive performance. Using invention patents data in China, we find that internal social proximity rather than external social proximity has a positive and statistically significant effect on the inventive productivity of cities within a megalopolis. Our article contributes to the growing literature of co-invention networks and urban innovation by focusing on the megalopolitan level and highlights the importance of coordination between megalopolises.

Date: 2025
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DOI: 10.1080/13504851.2023.2276363

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