THE COMPARATIVE ANALYSIS ON LAND CONVERSION INFLUENCING FACTOR IN EASTERN,MIDDLE AND WESTERN REGIONS OF CHINA
从政府收益角度分析中国东中西部地区农地转换的影响因素，发现制度收益和发展收益对不同地区土地转换进程的影响存在差异，并设计了监管机制来规范地方政府行为。
This paper established an analytical framework to analyse the land convernsion influencing factors in eastern,middle and western regions of china,from the perspective of government benefits from farmland conversion,which were divided into institutional benefit and developing benefit,The results indicate that eastern local government got institutional benefit of 6 936(108yuan/km2 and developing benefit of 0.0966 yuan/km2;the middle got institutional benefit of 0.2163(108yuan/km2 and developing benefit of 0.3753 yuan/km2;the western got institutional benefit of 0.4182(108yuan/km2 and developing benefit of 0.1924 yuan/km2 through land conversion.It is concluded keeping other factors constant,institutional benefit is one of the main factors affecting the process of land conversion.In eastern and western regions and developing benefit is one of the main factors affecting the process of land conversion.in middle regions.Meanwhile,the present land protection policies cannot keep efficient controls on the local government's behavior of obtaining intuitional benefit,which to a certain extent speeded up the process of land conversion and resulted in the excessive loss of farmland in eastern and western regions.so,this paper designed monitoring and management institution to regulate the local government's behavior.