【摘要】 投资的目的是为了获得经济效益。经济效益一般可分为直接经济效益和间接经济效益。直接效益容易测量 ,所以对间接效益采用科学的方法合理测定 ,是正确评价该类项目投资合理性的基础和前提。本文给出了对它的测定方法。更多还原

【Abstract】 The purpose of investment is to gain economic benefit.Economic benefit generally includes direct benefit and indirect benefit.Direct benefit is measurable,so that othe scientific approach to make sound measures of the indirect economic benefit is the basis and precondition to evaluate precisely the investmental reasonableness.The paper gives such a text approach.更多还原