根据凯恩斯宏观经济理论,政府的购买性支出应该对GDP增长有正向的贡献。本文利用时间序列自回归动态模型,对改革开放以来我国政府购买性支出(政府投资和政府消费)及转移支付对GDP增长的贡献大小进行实证分析。 一、几个重要经济参数 界定及其基本数据 对我国政府购买性支出的宏观经济效应进行实证分析,首先必须对现有发表的统计资料进行一些必要的技术处理,同时还应对相关重要的经济变量 According to Keynesian macroeconomic theory, government purchasing expenditures should have a positive contribution to GDP growth. In this paper, we use the time series autoregressive dynamic model to analyze the contribution of government purchasing expenditure (government investment and government consumption) and the contribution of transfer payment to GDP growth in our country since the reform and opening up. First, the definition of several important economic parameters and their basic data Empirical analysis of the macroeconomic effects of government purchasing expenditures in our country, we must first make some necessary technical treatment of the published statistical data, and also deal with the relevant important economic variables