投资贡献率

我国交通运输投资的经济贡献率研究

Study on the Economic Contribution Rate of Chinese Transportation Investment

中国经济增长中投资和消费贡献率的对比问题，已是众所周知。

The Chinese investment vs consumption led growth question is well known .

而经济增长的冲击对教育投资增长的贡献率在前三期快速增长到29.71%，其后略有波动，总体上逐渐增加，到第15期的贡献率达到55.02%。

On the contrary , the contribution rate of economic growth to the investment in education grows rapidly in the previous three periods and reaches to 29.71 % , then increases gradually with a slight fluctuation and reaches to 55.02 % in the 15th period . 2 .

第四章，水稻科研投资对水稻产量贡献率的实证分析。

Chapter IV is empirical analysis on contribution to rice yield of rice R & D investment .

近年来，公路建设是我国基础设施建设投资的重点，公路建设投资对GDP的贡献率较大。

Recent years , The investment in highway construction makes great contribution to the increase of our GDP .

第二部分，分析了民间投资对经济的作用，其中做了民间投资的贡献率分析以及我国的资本产出分析；

In the second part , I analyse the function of developing non-governmental investment . I use contribution ratio analysis and capital-output ratio analysis .

具体而言，通过分析投资和经济增长间的数量关系，得出投资增长率和经济增长率、投资贡献率及投资率之间的函数。

Through the analysis of the quantitative inter-relationship between investment and economic growth , obtains a function of investment growth rate , economic growth and investment benefit rate .