Empirical Analysis of RD Investment Effect to Chinese Rural Infrastructure on Economic Growth of Agriculture

摘要

This article made an empirical analysis by utilizing data from 1990 to 2009 in China,The co-integration test indicated that there existed a long equilibrium relationship between public investment to agricultural research and development and agricultural growth during long period.Pulse response function showed that impact of agricultural growth to public investment to agricultural research and development presented certain negative responses during short period; positive responses during long period,and presented an accelerating trend.Variance decomposition to agricultural growth also showed that effect of public investment to agricultural research and development was not distinct during short period,but the positive effect of research and development would be highlighted over time,and there was a significant influence on agricultural growth.