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涉外经济是指对外贸易、引进外资和境外投资的总称。根据2000~2014年湖南省对外贸易、引进外资、境外投资三个方面与湖南省GDP的统计数据,设计经济增长模型,并运用协调分析技术(KPSS)和OLS估计,对湖南省涉外经济的三个方面与湖南省经济增长之间的关系进行实证分析。结果表明:湖南省涉外经济占湖南省GDP总量比例偏低,湖南省的引进外资和境外投资相比对外贸易规模偏小;对外贸易(openrate)、引进外资(fdirate)、境外投资(ofdi)三个变量仅有对外贸易对经济增长的影响统计显著,说明湖南涉外经济中只有对外贸易能够促进其经济增长,但其对经济增长的贡献有限;而引进外资与境外投资对经济增长的影响不显著。
Foreign-related economy refers to foreign trade, the introduction of foreign investment and overseas investment. According to the statistical data of Hunan Province’s foreign trade, foreign investment and overseas investment from 2000 to 2014 and the GDP of Hunan Province, the paper designs the model of economic growth and uses the KPSS and OLS estimates to evaluate the three And the relationship between Hunan’s economic growth and other aspects of the empirical analysis. The results show that: the foreign-related economy in Hunan Province accounts for a relatively low proportion of the total GDP in Hunan Province; the foreign investment in Hunan Province is relatively small compared with the overseas investment; the foreign trade (openrate), foreign investment (fdirate), foreign investment (ofdi) Only the impact of foreign trade on economic growth of the three variables is statistically significant, indicating that only foreign trade in Hunan’s foreign-related economy can promote its economic growth, but its contribution to economic growth is limited; while the impact of foreign investment and overseas investment on economic growth is not Significant.