In the industrial symbiosis system, financial support has been proven to be key factors to motivate cooperation. However, current studies don’t explain the incentives to implement the low carbon industrial symbiosis. This paper considers a low carbon industrial symbiosis chain with one upstream manufacturer and one downstream manufacturer with the financial constraint. Under the environmental regulations, e.g., carbon tax and cap-and-trade, we investigate the financing preferences of the low carbon industrial symbiosis systems from a competing bank or trade credit by an evolutionary game model. It finds that external finance serves as a necessary financing way for manufacturers regardless of which manufacturer takes the responsibility of reducing carbon emission. Further, an appropriate combination of internal and external finance has a positive impact on the operation of a low-carbon industrial symbiosis system. The financing platform for manufacturers and cap-and-trade strategy promotes the implementation of carbon emission reduction responsibilities. Besides, we present a set of numerical analyses to investigate the sensitivity of inside and outside factors in industrial symbiosis systems, and we analyze the impacts of key parameters on the performance of low carbon industrial symbiosis system.

在工业共生体系中，资金支持已被证明是促进合作的关键因素。但是，当前的研究并未解释实施低碳工业共生的动机。本文考虑了一个低碳产业共生链，该产业链具有一个上游制造商和一个下游制造商，并且存在财务约束。在环境法规（例如碳税和总量管制与交易）下，我们通过演化博弈模型研究了来自竞争银行或贸易信贷的低碳工业共生体系的融资偏好。它发现，无论哪个制造商承担减少碳排放的责任，外部融资都是制造商的必要融资方式。进一步，内部和外部资金的适当结合对低碳工业共生体系的运作具有积极影响。制造商的融资平台和总量管制与交易策略促进了碳减排责任的落实。此外，我们提供了一组数值分析来研究工业共生系统中内部和外部因素的敏感性，并分析了关键参数对低碳工业共生系统性能的影响。