农业信息化与城镇化相关性实证研究

农业信息化是国民经济、农村经济和社会信息化的重要组成部分，是缩小城乡数字鸿沟的重要手段，因此成为党的十八大“四化同步”战略的重要组成部分。目前针对城镇化与农业信息化水平的相关性还缺乏量化研究，也鲜有针对性的政策建议。笔者在构建农业信息化水平指标体系的基础上，首次引入经济计量学中的格兰杰因果检验方法，对农业信息化与城镇化之间的因果关系进行分析检验，定量揭示农业信息化和城镇化发展之间存在时间的先导—滞后关系，对于指导农村经济发展，合理使用信息资源等方面具有一定的理论和实践意义。

Empirical Research on the Relativity of Agricultural Informatization and Urbanization

Agricultural informatization is an important part of national economy,rural economy,social informatization,and Four-zation Simultaneous Development of 18th National Congress of the Communist Party of China. But there are lack of quantitative research and policy recommendations between agricultural informatization and urbanization. The paper is for the first time to analyze the causal connection between agricultural informatization and urbanization under Grainger Causality Test Method,and find that there is an interrelationship of advance and delay between agricultural informatization and urbanization,which is very helpful to promote the rural economic development and make a good use of informational resources.