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Direct and indirect impacts of high-tech industry development on CO2 emissions: empirical evidence from China

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Abstract

Vigorously developing high-tech industry has been considered to be an effective way to coordinate economic growth with excessive carbon dioxide (CO2) emissions. However, previous studies have not explored the heterogeneous impacts of high-tech industry on CO2 emissions in regions with different levels of high-tech industry development, and not distinguished the direct and indirect impacts. Based on STIRPAT model, this study investigates the impacts of high-tech industry development on CO2 emissions in China between 2005 and 2016. Adopting the K-medians cluster method, effects in regions with high, middle, and low levels of high-tech industry development are considered. Indirect effects of high-tech industry development on CO2 emissions by affecting industry structure upgrades and economic growth are explored. Empirical results illustrate a positive U-shaped nonlinear link between the level of high-tech industry development and CO2 emissions at the national level and regional (high, middle, and low) level. In terms of indirect impacts, high-tech industry development attenuates the reduction of CO2 emissions due to industry structure upgrades, and promotes economic growth to increase CO2 emissions slightly. The indirect impact intensity gradually decreases as the level of high-tech industry development decreases across three regions. Reasonable implications of our findings are proposed.

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Notes

  1. Thirty provinces and cities referred to in this paper denote provinces and cities excluding Tibet, Hong Kong, Macao, and Taiwan in China.

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Funding

This work is supported by the National Natural Science Foundation of China (Grant Number 71702009, 71803007), Beijing Social Science Fund (Grant Number 17JDGLA010), and the Fundamental Research Funds for the Central Universities (FRF-IDRY-19-009).

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Correspondence to Shufen Dai.

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The authors declare that they have no conflict of interest.

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Responsible editor: Eyup Dogan

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Appendix

Appendix

VIF results

Table 9 VIFs in national-level models
Table 10 VIFs in high-level models
Table 11 VIFs in middle-level models
Table 12 VIFs in low-level models
Table 13 Estimation results of models in eastern region
Table 14 Estimation results of models in central region
Table 15 Estimation results of models in western region

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Gu, W., Liu, D., Wang, C. et al. Direct and indirect impacts of high-tech industry development on CO2 emissions: empirical evidence from China. Environ Sci Pollut Res 27, 27093–27110 (2020). https://doi.org/10.1007/s11356-020-09071-x

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  • DOI: https://doi.org/10.1007/s11356-020-09071-x

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