Abstract

We study the carbon emissions of the world's five highest carbon emitters under three different criteria. In particular, we explore the shared responsibility (SR) criterion, under which both producers and consumers share the responsibility for emissions. Employing the multi-region input-output model to calculate the SR based on the value-added method, we can investigate carbon emissions at both national and sectoral levels. Between 2002–2014, carbon emissions in China and India grew dramatically. SR increased by 157% in China and 116% in India. The main driving force of China's carbon emissions was the rapid growth of its exports, and the main driver of India's carbon emissions was its high carbon-intensive production technologies. Although carbon emissions had a declining trend in the USA and Japan, it could have resulted from cross-border carbon leakage. More than 40% of the five countries’ national carbon emissions under SR were attributed to “electricity, gas, steam and air conditioning supply”. This overwhelming share was attributable to their large amounts of production and high carbon emission intensity.

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