According to the statistical data of Shandong Province from 1990 to 2006, we use the method of statistical analysis to analyze the dynamic relationship between the cultivated land change and the population and economic development in recent 17 years. We establish the regression model for the...

According to the theories of institutional economics and development economics, the positive and negative externality of rural labor force flowing from central and western regions and into eastern regions of China were analyzed, and then it was proposed that it is necessary to positive...