[摘　要]　在分析我国1987～2007年间房地产投资增长率与GDP水平线性相关关系的基础上，利用计量经济软件Eview5.0和Granger因果关系检验模型对房地产投资增长率与GDP水平的关系进行实证研究，结果显示，房地产投资增长率与GDP水平具有较强的线性相关关系，与GDP水平均衡规模的房地产投资是保证国民经济平稳、和谐、可持续发展的重要因素。
[关键词]　房地产投资；GDP水平；ADF检验；协整分析；Granger因果检验
Abstract: On basis of analyzing linear relationship between the GDP level and the real estate investment growth rate of China from 1987 to 2007, this paper presents an empirical study on the relationship between the real estate investment growth rate and the GDP level by making use of econometric software Eview5.0 and Granger causality test model. The result shows that there exists a strong linear relationship between the real estate investment growth rate and the GDP level. It is pointed out that an equilibrium scale of real estate investment in consideration of the GDP level is an important factor to ensure stable, harmonious and sustainable development of the national economy.
Key words: real estate investment; GDP level; ADF test; Co-integration; Granger-causality test
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