Research on the impact of government regulation on LNG-powered ships and the evolution of strategies
In order to promote the development of LNG ship industry,a three-party evolutionary game model of government-shipbuilding enterprise-shipowner was constructed.Through numerical analysis,it is found that there are four stable states in the initial stage of promotion,and only three stable states in the later stage.MATLAB was used to simulate in the ideal stable state.The simulation results show that:The three parties interact with each other.The strategic choices of shipbuilding enterprises and shipowners are shown to be mutually reinforcing.The greater the probability of government regulation,the stronger the willingness of shipbuilding enterprises and shipowners to choose LNG ships.The impact of reward and punishment mechanism.Shipbuilding enterprises are found to be more significantly affected by the establishment of the reward and punishment mechanism.An ideal stable state is attainable for the government,shipbuilding enterprises,and shipowners only when the subsidy is higher than or the fine is lower than a certain critical value.Therefore,moderate subsidies and discretionary fines are considered to be the driving factors.The government is advised to establish stepped subsidies,increase publicity,improve infrastructure,strengthen carbon tax intervention,and highlight income advantages.The research provides an important reference for relevant policy formulation.
LNG shippremium and penalty mechanismindustrial promotionevolutionary game
万方数据
维普
