Decisions on Technologies for Emissions Control in Port Areas under Subsidy and Low-Carbon Preferences of Customers

The emission control technologies decisions of port and shipping enterprises under subsidy customers’ low-carbon preferences are discussed from a supply chain perspective. game models established three (port-leader Stackelberg game, ship-leader Nash game). obtained results show that the impact preference on demand in its pricing always is considered by leader chain. profits emissions higher than game. When subsidies low, chain’s overall using low sulfur oil shore power. But carbon adopting also customers high, power oil. appropriate(medial) range, would choose to reduce perspective profits, whole lower oil, so regulator(government) can achieve win-win situation. Hence for regulator who has balance enterprises’ implementing moderate within appropriate range better strategy.