中国进出口贸易与固定资产投资拉动经济比较研究——基于协整关系的实证检验

The Comparative Study of the Impacts to Economy from Export, Import and Fixed Assets Investment: Based on the Cointegration Test

以1978～2011年以来的经济数据进行了协整关系检验,结果发现,我国进出口贸易、固定资产投资和GDP之间存在长期和短期的关系。通过22年的贡献率计算,发现固定资产投资对经济增长有稳定的拉动作用,但是对外贸易对经济增长的贡献率波动幅度较大。

Using the economic data from the years 1978 to 2011, the cointegration test results showed that both foreign trade and fixed assets investment have positive correlations with the growth of GDP. By the contribution rate in 22 years, analysis finds that the investment in fixed assets keeps stably boosting the economic growth while the boosting effects from foreign trade keeps fluctuating. According to the conclusions, some suggestions are provided in the paper.