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按照党的十四大提出的建立社会主义市场经济体制的要求,90年代是我国经济较快发展的时期,到本世纪末我国国民经济整体素质和综合国力将迈上一个新台阶。为实现这一目标,国家将通过控制和调节各种宏观经济变量来把握整个国民经济运行系统。在宏观经济系统当中,全社会固定资产投资总量与国民经济发展速度之间,存在着密切的关系。将固定资产投资规模控制在合理、适度的范围之内,是保证国民经济稳定、健康发展的前提。对投资总量的控制包括两个方面的内容:即投入的实物量与价值量的控制。前者的控制可以通过综合的投入产出表进行平衡,以使投资品的供应控制在可能的极限以内;这里着重讨论后者的科学测定和宏观控制问题。我们给出了一个建立在现代控制理论基础之上。具有自适应和反馈调节功能的数学模型,用以确定适度的投资规模。在建立模型的过程中,首先要解决的问题是选择合适的状态变量和控制变量。根据对投资系统的深入分析,将
In accordance with the requirements of establishing the socialist market economic system put forward by the 14th CPC Congress, the 1990s are a period of rapid economic development in our country. By the turn of the century, the overall quality of our national economy and overall national strength will take the next level. To achieve this goal, the state will grasp the entire system of national economic operations by controlling and adjusting various macroeconomic variables. Among macroeconomic systems, there is a close relationship between the total investment in fixed assets in the whole society and the pace of national economic development. Controlling the scale of investment in fixed assets within a reasonable and appropriate scope is a prerequisite for ensuring the steady and healthy development of the national economy. Control of the total investment includes two aspects: the input of physical and value control. The former control can be balanced by a comprehensive IO table to keep the supply of investment goods within the limits possible; here the emphasis is on the latter’s scientific determination and macro-control issues. We give one that is based on the theory of modern control. A mathematical model with adaptive and feedback regulation to determine the appropriate investment size. In the process of establishing a model, the first problem to be solved is to select the appropriate state variables and control variables. According to an in-depth analysis of the investment system, will