关于科技活动促进我国经济增长的实证研究——基于主成分分析和格兰杰检验

An Empirical Study on the Activities of Science and Technology to Promote Economic Growth in China: Based on Principal Component Analysis and Granger Test

科学技术是第一生产力,当今国际经济竞争更多的是科技的竞争。选取2002—2011年相关数据,对我国科技活动水平进行主成分分析,可知我国科技活动水平十年来呈稳固上升趋势;采用回归模型对科技活动水平促进我国经济增长进行实证研究,结果显示促进作用较为显著;格兰杰检验结果显示,科技活动水平是促进我国经济增长的原因。采取各种有效措施进一步提升科技活动水平,对促进我国经济持续增长具有重要的现实意义。

This present paper makes an attempt to study on the activities of science and technology to promote economic growth in China. Based on the selection of the data from 2002 to 2011, principal component analysis was performed. The findings revealed that China＇ science and technology has been keeping a stable upward trend in ten years. The results of regression model showed a statistical signifi- cance. The result of Granger Test revealed that science and technology activities were the key factor in promoting economic growth in China.