| Since China's reform and opening up,especially after joining the World Trade Organization,foreign trade has developed rapidly,and its trade surplus has also grown.Among them,export trade has played a vital role in China's economic growth and optimization of its industrial structure.However,with the rapid development of export trade,environmental pollution and waste of resources have become increasingly serious.In particular,the manufacturing export trade,which is dominated by processing trade,consumes a lot of energy and environmental resources while driving China's economic development,resulting in considerable carbon emissions.At the 2015 Paris Climate Conference,China proactively put forward a positive national independent contribution target,explicitly made four commitments around carbon emission reductions[1],and incorporated them into long-term planning for economic and social development,which means China's shift to a low-carbon economy is imperative.The Yangtze River Economic Belt is one of China's three major economic zones under the new normal.It spans the three major regions of China's east,middle and west,covering 43 provinces and cities in 11 provinces and cities along the Yangtze River.The population and regional GDP have exceeded 40% of the country's total,and the export trade has accounted for more than 40% of the country's total export trade.Among them,the manufacturing industry has always been the leading industry in export trade.Therefore,in the process of working to build a manufacturing center in China,studying how to reduce carbon dioxide emissions in export trade is of great significance not only to the Yangtze River Economic Belt,but also to the whole country.Based on this,this paper uses the input-output method to measure the implied carbon in the export trade of the Yangtze River Economic Zone from 2000 to 2017,and uses the LMDI analysis method to construct an index decomposition model,which decomposes thefactors that cause the implied carbon emissions of export trade to change.Scale effect,structural effect,and technical effect,and quantitatively measure the influence intensity of each factor on the growth of the implied carbon emissions of export trade,so as to further analyze the reasons for the increasing implied carbon emissions of the export trade of the Yangtze River Economic Belt,with a view to formulating a reduction for the Yangtze River Economic Belt.Provide reference for countermeasures for embodied carbon emissions from exports.The research results show that:(1)the overall carbon emission coefficient of the manufacturing sectors of the Yangtze River Economic Belt has improved in the period2000-2017,indicating that the advancement of production technology can reduce the energy consumption of export products;(2)the export trade of the Yangtze River Economic Belt manufacturing industry The implied carbon emissions are generally on the rise,and are affected by the export trade and the carbon emission coefficient,and have a positive correlation with the export trade.(3)The scale effect promotes the increase of the implied carbon emissions in the export trade of the Yangtze River Economic Belt.The most important factor is that the scale effect in the lower reaches of the Yangtze River has the most significant effect;(4)The structural effect is different in the embodied carbon emissions of export trade in different regions and sectors of the manufacturing industry in the Yangtze River Economic Zone,with positive and negative effects.The overall effect is relatively(5)The technological effect has a negative impact on the overall growth of carbon implied in the export trade of the Yangtze River Economic Belt. |
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