Carbon information disclosure and sharing mechanism of supply chain based on blockchain technology
A supply chain consisting of suppliers,producers and consumers,and the suppliers and producers decide the carbon information disclosure degree and product premium according to the market situation.Parameters such as consumer information trust,consumer information sensitivity and information sharing benefit coefficient were introduced to construct a supply chain carbon information disclosure model under information asymmetry and a supply chain carbon information sharing model based on blockchain technology,and the optimal decision of different decision models was compared and analyzed.The results show that:1)With the increase of the cost coefficient of carbon information disclosure,the decision-making of the supply chain is divided into three stages:Full disclosure of carbon information of suppliers and producers,full disclosure of carbon information of producers and partial disclosure of carbon information of suppliers and producers,and the optimal decision-making of the decision-making body shows a downward trend.2)Except for the interval of the cost coefficient of a certain carbon information chain,the optimal carbon information disclosure degree of the manufacturer is always no lower than that of the supplier;when the initial price of the product is less than a certain threshold,the premium of the manufacturer's optimal product is higher.And the manufacturer's optimal decision is more sensitive to the change of related parameters.3)When the cost coefficient of carbon information on-chain is less than the cost coefficient of traditional carbon information disclosure,the profit of the decision-making subject under the"blockchain+carbon information"sharing mechanism is much higher than the profit under information asymmetry.
blockchaincarbon information disclosuresharing mechanisminformation asym-metry