关键词: 低碳供应链, 信息不对称, 碳限额, 网络均衡, 消费者低碳意识

Abstract: To formulate effective carbon emission abatement policy and encourage firms to reduce carbon emissions,a supply chain network including multi-manufacturers and multi-demand markets was developed.By considering consumers low-carbon awareness,the information asymmetry of carbon emission abatement between manufacturers and consumers was analyzed.The average carbon emission abatement level per product was used to quantify the perceptible carbon emission abatement information,and the supply chain network equilibrium model under information asymmetry was developed.Thus the carbon cap policy was introduced into the model,and the above model was extended to the supply chain network equilibrium model under carbon cap policy.Through numerical examples,the impact of low-carbon subsidy on the product transaction quantities,prices,demands and carbon emission abatement decisions was studied,and the impact of carbon cap policy interventions was discussed.The result showed that information asymmetry led to the deference between actual value for carbon emission abatement per product of manufacturers and the consumers perceptible value;government should provide appropriate low carbon subsidy that not only promoted manufacturers to reduce carbon emissions,but also increased the profit of supply chain network;carbon cap policy could encourage the manufacturers to increase the carbon emission abatement per product,but led to decrease of the profits for manufacturers.Thus,government should choose appropriate carbon caps.

Key words: low-carbon supply chain, information asymmetry, carbon cap, network equilibrium, consumers low-carbon awareness