Can green infrastructure investment influence low-carbon urbanization: Empirical evidence from China

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Abstract Promoting new urbanization based on the concept of green development is an essential path and inherent requirement for China's modernization, and the impact of green infrastructure investment on low-carbon urbanization development urgently needs to be explored. This article, based on panel data from 203 prefecture-level cities and above in China from 2010 to 2020, employs a two-way fixed effects model to investigate the impact of green infrastructure investment on enhancing low-carbon urbanization development and its potential channels. The study finds that: (1) Investment in green infrastructure significantly promotes the development of low-carbon urbanization, a result that remains robust after a series of tests. (2) The impact of green infrastructure investment on low-carbon urbanization development varies across cities with different geographical locations, sizes, and resource endowments. The role of green infrastructure investment is more pronounced in promoting low-carbon urbanization in eastern cities, medium-sized cities, and non-resource-based cities, while its impact is relatively weaker in central and western cities, large and small cities, and resource-based cities. (3) Mechanism analysis indicates that green infrastructure investment promotes low-carbon urbanization development by enhancing total factor energy efficiency and facilitating industrial structure upgrading.

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