Impact of smart city construction policy on high-quality economic development of coastal cities

Frontiers in Marine Science, Journal Year: 2025, Volume and Issue: 11

Published: Jan. 8, 2025

Introduction As a crucial strategy for promoting urbanization in China, smart city construction introduces new momentum high-quality economic development through intelligence and informatization. Coastal cities, with their unique geographical advantages, serve as important engines of growth. Methods Based on panel data from 53 coastal cities China 2003 to 2021, this study uses the super-efficiency SBM-GML index measure green total factor productivity an indicator employs time-varying difference-in-differences model examine impact areas. Results The findings reveal that (1) Smart significantly enhances cities. This conclusion remains valid parallel trend tests, PSM-DID, placebo tests endogeneity analysis. (2) mechanism test shows primarily promotes growth by facilitating industrial structural upgrading, optimizing resource allocation, release household consumption potential expanding domestic demand. However, technological innovation, which is most aspect construction, has not brought opportunities (3) Heterogeneity analysis policy effects are more pronounced large those lower levels scientific educational development. Additionally, particularly significant located within Bohai Rim Yangtze River Delta port clusters. Discussion these findings, continued support recommended, differentiated policies tailored characteristics cluster levels, alongside advancing fostering points promote China’s

Language: Английский

Digital Economy Development and Children’s Health Outcomes: Evidence and Mechanisms

Emerging Markets Finance and Trade, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 20

Published: April 7, 2025

Language: Английский