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本文认为,传统的宏观投资效益评价,采用的是一种直接效益分析法,其特点是对固定资产投资效益只作一维的与静态的分析,实际上追求的是单一目标,即国民收入增量在短期的最大化。这种分析法是传统经济体制下宏观经济管理方式的产物,已不适应经济体制改革新形势的要求。作者从理论上提出并阐明了宏观比较投资效益范畴,并运用目标规划原理建立了动态的比较分析结构和理论模型。这一模型根据目标和优先权结构把固定资产投资所带来的国民收入增量、投资对社会总需求与总供给平衡和产业结构的效应、以及对国民经济中长期经济效益的影响诸因素作了通盘考虑,弥补了传统的直接效益分析法的不足,适应经济体制改革新形势的要求,形成了系统的投资效益分析结构和投资效益观念。
This paper argues that the traditional evaluation of macro-investment returns uses a direct benefit analysis method, which is characterized by a one-dimensional and static analysis of the returns on investment in fixed assets. In fact, it pursues a single goal, namely, increasing national income Maximize in the short run. This kind of analytic method is the product of macroeconomic management under the traditional economic system and is no longer suitable for the new situation of economic system reform. The author put forward and clarified the scope of macroeconomic comparative investment benefits and set up a dynamic comparative analysis structure and theoretical model by using the principle of target programming. According to the objective and priority structure, this model includes factors such as the increment of national income brought by investment in fixed assets, the effect of investment on total social demand, aggregate supply balance and industrial structure, and on the long-term economic benefits of the national economy The overall consideration has made up for the shortcomings of the traditional direct benefit analysis method and meets the requirements of the new situation of economic system reform and has formed a systematic concept of investment benefit analysis and investment efficiency.