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根据船舶投资的特点,建立船舶投资评价指标,包括经济评价指标、投资机会损失评价指标和投资效用评价指标;以投资满意度最大为目标函数,建立了多目标综合评价模型,从船队总体角度对船舶投资进行综合评价,对投入船舶种类、吨位、数量、融资方式和投资方式进行决策.其中,在经济评价指标的计算上,假设船舶为程租方式租出,进行NPV指标计算,以减小以往计算方法的复杂程度和过多的假设条件对该指标计算结果的影响.
According to the characteristics of ship investment, the paper establishes evaluation index of ship investment, including economic evaluation index, investment opportunity loss evaluation index and investment utility evaluation index; establishes the multi-objective comprehensive evaluation model with maximum investment satisfaction as the objective function, Make a comprehensive assessment of the investment in ships and make decisions on the types of ships, tonnage, quantity, ways of financing and ways of investment, among which, in the calculation of economic evaluation indexes, it is assumed that the ships are rented out for the way of rent, NPV index is calculated The small calculation of the complexity of the past and too many assumptions on the calculation of the index results.