内外部碳配额交易路径下供应链减排决策研究

doi:10.16381/j.cnki.issn1003-207x.2019.1579

摘要/Abstract

摘要： 供应链内外部碳配额交易是碳配额政策下供应链协调碳配额的重要途径，对供应链成员企业碳减排决策产生重要影响。本文以单供应商和单制造商组成的二级供应链为研究对象，在完善的碳配额交易市场情况下，通过构建供应链外部碳交易路径和内外部碳配额交易路径共存的博弈模型，分析了碳配额政策下内外部碳配额交易条件、企业减排策略和利润影响因素。研究结果表明，在外部碳交易路径下，供应链上、下游企业的减排决策相互影响，且当单位碳排放量和碳减排成本系数相等时，上游企业碳减排率是下游企业的两倍；同时进行内外部碳配额交易能降低中间产品批发价格，提高供应链成员企业碳减排率、增加企业利润。算例验证了结论的有效性，并发现企业碳配额和内部碳交易价格在一定区间内才能使内部碳交易达成，此时制造商会分担供应商的碳减排费用。

关键词: 供应链管理, 碳交易路径, 碳交易价格, 碳减排

Abstract: Cap-and-trade is one of the effective measures to control carbon emissions. China has launched a national carbon emission trading market in 2017. Carbon quota trading is divided into two ways:listed trading and agreement transfer. Therefore, under the two internal and external carbon quota trading paths, how to choose the carbon trading path and carbon emission reduction investment decision is an urgent problem to be solved for the member companies of the supply chain. A two-stage supply chain consisting of a single manufacturer and a single supplier is considered.Manufacturer can meet its carbon emission allowance requirements and have surpluses through carbon emission reduction investment, while the supplier's carbon emission allowance is insufficient.In the context of a perfect carbon quota trading market, supply chain member companies need to choose between the external carbon trading path and the coexistence path of internal and external carbon quota trading.Under different trading paths, corporate emission reduction decisions and internal and external carbon trading prices will have different effects on corporate profits. The trading conditions of internal and external carbon quotas, corporate emission reduction strategies, and profit influencing factors are analyzed by establishing a Stackelberg game model followed by manufacturers leading suppliers. An example analysis is carried out on the data of a manufacturing supply chain member company to verify the validity of the conclusion. The research results show that under the external carbon trading path, the emission reduction decisions of upstream and downstream enterprises in the supply chain affect each other, and when the unit carbon emission and the carbon emission reduction cost coefficient are equal, the carbon emission reduction rate of upstream companies is twice that of downstream companies; simultaneous internal and external carbon quota transactions can lower the wholesale price of intermediate products, increase the carbon emission reduction rate of member companies in the supply chain, and increase corporate profits.The calculation example finds that only when the enterprise carbon quota and the internal carbon transaction price are within a certain range can the internal carbon transaction be reached. At this time, the manufacturer will share the supplier's carbon emission reduction costs. Therefore, when the conditions for coexistence of internal and external carbon trading paths can be reached, the supply chain enterprises jointly formulate internal carbon trading prices can reduce the wholesale price of intermediate products, increase the order quantity of intermediate products and corporate profits; when formulating carbon quota policies, the government should appropriately relax restrictions on manufacturers' carbon quotas, encourage internal carbon trading, and promote carbon emission reductions in the supply chain. In this paper, the above points are taken into account, which can be used for reference in the same type of research.

Key words: supply chain management, carbon trading path, carbon quota trading price, carbon emission reduction

中图分类号:

F274

张令荣, 王健, 彭博. 内外部碳配额交易路径下供应链减排决策研究[J]. 中国管理科学, 2020, 28(11): 145-154.

ZHANG Ling-rong, WANG Jian, PENG Bo. Research on Emission Reduction Decision under the Trading Path of Carbon Quota Within and Outside the Supply Chain[J]. Chinese Journal of Management Science, 2020, 28(11): 145-154.

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