Research on the formation of supply chain carbon emission reduction union based on voluntary emission reduction

In China, Voluntary Emission Reduction market has been developed and commonly adopted. Enterprise with high energy consumption and high carbon emission can sell emission reductions in VER market after their emission reduction measures. And the promotion of consumer demand caused by low carbon products is considered. This paper we discussed an industry structure of monopoly supplier with high emission and multi-oligarchs manufacturers, with supplier leading emission reduction cooperation. This research shows that supplier by means of deciding unit product reduction rate, and the proportion of reduction investment, and adopting price-discount contract can make all the manufacturers participate in cooperation union and achieve supply chain Pareto improvement.