Another measure of the efficiency of investment is the incremental capital-output ratio (ICOR): the investment needed to generate an additional unit of output, measured as annual investment divided by the annual increase in GDP.
Another measure of the efficiency of investment is the incremental capital-output ratio (ICOR): the investment needed to generate an additional unit of output, measured as annual investment divided by the annual increase in GDP.
对投资效率的另一种衡量是投资产出增量比：即每增加一单位产出所需的资本量，以用年度投资额除以GDP的年增量来计算。