Energy technology patents-CO2 emissions nexus: An empirical analysis from China

Zhao-Hua Wang (), Zhang Yin and Xian Zhang

No 21, CEEP-BIT Working Papers from Center for Energy and Environmental Policy Research (CEEP), Beijing Institute of Technology

Abstract: Energy technology innovation plays a crucial role in reducing carbon emissions. This paper investigates whether there is relationship between energy technology patents and CO2 emissions of 30 provinces in mainland China during 1997 - 2008. Gross Domestic Product (GDP) is included in the study due to its impact on CO2 emissions and energy technology innovation, thus avoiding the problem of omitted variable bias. Furthermore, we investigate three cross-regional groups, namely eastern, central and western China. The results show that domestic patents for fossil-fueled technologies have no significant effect on CO2 emissions reduction; however, domestic patents for carbon-free energy technologies appear to play an important role in reducing CO2 emissions, which is significant in eastern China, but is not significant in central, western, and national level of China. The results of this study enrich energy technology innovation theories and provide some implications for energy technology policy making.

Keywords: energy technology patents; CO2 emissions; dynamic panel data approach (search for similar items in EconPapers)
JEL-codes: C13 Q40 (search for similar items in EconPapers)
Pages: 55 pages
Date: 2011-11
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Journal Article: Energy technology patents–CO2 emissions nexus: An empirical analysis from China (2012)
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