investment premium meaning in English

投资升水
投资溢价

As for the direct economic losses , it is easier to quantitative analysis , the researchers adopt usually the market valuation ; as for the indirect economic losses , the researchers usually have the aid of the input - output method of the complete wastage coefficient of input - output ; as for the disaster relief losses , the researchers usually adopt the investigation method to quantitatively calculate the input expenditure of preventing drought , and make use of shade price of economics to quantitatively calculate the investment premium losses
对于直接经济损失的定量较容易确定，采用市场价格法;对于间接经济损失的定量，借用了投入产出完全消耗系数的投入产出法;对于灾害救援损失的定量，其中的抗早投入费用采用统计调查法，而投资溢价损失移用经济学中的影子价格来计算。