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The role of energy consumption in global carbon intensity change: A meta-frontier-based production-theoretical decomposition analysis

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  • Liu, Xiao
  • Hang, Ye
  • Wang, Qunwei
  • Chiu, Ching-Ren
  • Zhou, Dequn

Abstract

Energy consumption is an essential component of economic development, the main source of carbon dioxide emissions, and therefore an important factor in shaping global carbon intensity (carbon emissions per unit of GDP, CI). Untangling the reasons underlying global CI change from an energy system perspective is therefore important to achieve the balance between economy growth and carbon emissions. However, due to the heterogeneities in different economies, this exploration is challenging. We develop a meta-frontier-based production-theoretical decomposition analysis (PDA) method to track the progress of CI change in 79 economies (divided into four groups) during 2007–2014 with heterogeneities of efficiency and technology between economies taken into account. We found that developing countries with large energy consumption (Group-DL) were more energy efficient, while high energy consumption developed countries (Group-HL) and low energy consumption developing countries (Group-DS) have achieved significant technological progress. Global CI reduction was due to the decreased potential energy intensity effect (PEI), primarily in Group-DL countries. The energy technology gap (TGT) and energy efficiency gap (TGE) effects have contributed to the global CI increase but have been less important than the economic structure effect (YOS). Especially countries in Group-DL should pay more attention to narrowing the energy efficiency and energy technology gaps with meta-frontiers.

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  • Liu, Xiao & Hang, Ye & Wang, Qunwei & Chiu, Ching-Ren & Zhou, Dequn, 2022. "The role of energy consumption in global carbon intensity change: A meta-frontier-based production-theoretical decomposition analysis," Energy Economics, Elsevier, vol. 109(C).
    • Handle: RePEc:eee:eneeco:v:109:y:2022:i:c:s014098832200144x
    DOI: 10.1016/j.eneco.2022.105968
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