Effects of export sophistication on marine pollution: Evidence from Chinese coastal regions
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Summary
This summary is machine-generated.Higher export sophistication reduces marine pollution in China. This study finds a long-term benefit, though environmental regulations and port size can diminish the effect. Green innovation plays a key role.
Area Of Science
- Environmental Economics
- Marine Ecology
- International Trade
Background
- Trade liberalization drives economic growth in China's coastal areas, but increases marine environmental pressure.
- Export sophistication, an indicator of export quality, is crucial for understanding trade's environmental impact.
- Limited research exists on the specific relationship between export sophistication and marine pollution.
Purpose Of The Study
- To empirically investigate the impact of export sophistication on marine pollution in China's coastal regions.
- To explore the mediating role of green technological innovation in this relationship.
- To provide policy insights for balancing export structure optimization and marine environmental governance.
Main Methods
- Panel data analysis from 11 Chinese coastal regions (2011-2022).
- Two-way fixed-effects model and System Generalized Method of Moments (GMM) for dynamic panel analysis.
- Mediation and heterogeneity analyses to examine transmission channels and pollutant-specific effects.
Main Results
- Higher export sophistication significantly reduces marine pollution.
- A lagged, long-term pollution-reducing effect was confirmed.
- Environmental regulation, port size, and industrial structure were found to weaken this beneficial effect.
- Green technological innovation partially mediates the pollution reduction.
Conclusions
- Export sophistication offers a pathway to mitigate marine pollution, driven partly by green technological innovation.
- The effectiveness of export sophistication is moderated by regulatory stringency, port scale, and industrial structure.
- Findings support integrated strategies for enhancing export quality and protecting marine ecosystems.
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