绿色港口建设下港口与船舶减排决策研究

Research on Emission Reduction Decisions of Port and Ship under the Construction of Green Ports

摘要:

从供应链视角,考虑政府补贴,构建港口与船舶减排决策博弈模型,探讨港航企业集中决策、分散决策情形下的减排决策问题。结果表明,在供应链结构决策上,集中决策下的港航供应链定价低于分散决策下的定价,而总体利润和排放量则高于分散决策下的。在减排技术决策上,当补贴在适当范围内时,港航供应链采用低硫油技术,此时港航供应链的总排放量小于使用岸电的总排放量,即港航企业可以实现利润最大化,同时政府也可实现排放控制,港航企业与政府双赢。而当补贴较低时,港航供应链采用低硫油技术,但此时使用低硫油的总排放量大于使用岸电的总排放量。而当补贴较高时,港航供应链采用岸电技术,但此时使用岸电的总排放量大于使用低硫油的总排放量。

Abstract:

From the perspective of supply chain, the game models of emission reduction under government subsidy are established. The emission reduction decisions of port and shipping enterprises are discussed respectively under centralized and decentralized situation. The results show that the service price of supply chain under centralized decision situation is lower than that in decentralized decision situation, while the supply chain profit and emissions are higher than that in decentralized situation. In terms of the choice of technology, when the subsidy is within an appropriate range, the port and shipping supply chain will adopt low-sulfur oil technology. At this time, the total emissions of the supply chain are less than that of using shore power, so the win-win situation between the port and shipping companies and the government can be achieved. When the subsidy is low, the port and shipping supply chain will adopt low-sulfur oil, but at this time the total emissions are greater than that of using shore power. When the subsidy is high, the port and shipping supply chain will adopt shore power technology, but at this time the total emissions are greater than that of using low-sulfur oil.