The Study of Causal Relationship between Energy Technology Patents and CO2 Emissions

Yang Zhongmin; Wang Zhaohua; Su Lixia

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Science Research Management ›› 2013, Vol. 34 ›› Issue (10) : 58-66.

The Study of Causal Relationship between Energy Technology Patents and CO₂ Emissions

Yang Zhongmin^1,2, Wang Zhaohua^1,3, Su Lixia¹

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Abstract

Energy technology innovation plays a crucial role in the reduction of CO₂ emissions and environmental preservation. In order to explore whether there is causal relationship between energy technology patents and CO₂ emissions, this paper considers GDP as a control variable and builds dynamic panel data model using difference GMM(DIF-GMM) based on the data for 30 provinces in mainland China from 1996 to 2008. The results indicate that there are long-term equilibrium relationships among energy technology patents, CO₂ emissions and GDP; in short-term, the role of energy technology patents in reducing CO₂ emissions is limited in the national, and there are greater differences in different regions, energy technology patents have no significant effect on CO₂ emissions reduction in eastern and central of China except for in western China.

Key words

CO₂ emissions / energy technology patents / dynamic panel data approach / panel-based VECM

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Yang Zhongmin, Wang Zhaohua, Su Lixia. The Study of Causal Relationship between Energy Technology Patents and CO₂ Emissions[J]. Science Research Management. 2013, 34(10): 58-66

References

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