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为了研究固定资产投资对经济增长的作用方向和效果,本文以重庆市为例结合当地实际经济发展状况,运用计量经济学中的协整关系检验和格兰杰因果检验及误差修正模型,对重庆1985～2009年的国内生产总值与固定资产投资之间的相关关系进行了实证分析,得出结论与启示,固定资产投资有效地推动了重庆市经济增长,二者之间存在着长期稳定关系,但还是要警惕投资过热后的一些问题并提出了相关建议。
In order to study the direction and effect of the fixed assets investment on economic growth, this paper, taking Chongqing as an example, combined with the actual local economic development, using the cointegration test and Granger causality test and error correction model in econometrics, The empirical analysis of the correlation between GDP and fixed assets investment from 1985 to 2009 came to the conclusions and enlightenments that fixed asset investment has effectively promoted the economic growth in Chongqing with long-term and stable relationship , But still have to guard against some problems after the investment overheated and put forward relevant suggestions.