当前,经济学界所研究的区域经济,范围涵盖广阔,从面积上看,一般都在十几万、几十万平方公里以上,有的达到数百万平方公里乃至上千万平方公里,如东盟自由贸易区、长江三角区、珠江三角区等。在这些辽阔的区域内产生的经济,可称之为大区域经济。在大区域经济中,包含着中心城市,包含着国家生产力布局重点,比如,在长三角地区,有上海、南京、杭州等中心城市。处在这些大区域内的农村有着得天独厚的发展条件,它们在中心城市的带动下迅速繁荣,有的已经接近城市化甚至实现了城市化,不再是一般意 At present, the area of ​​economy studied by the economists covers a wide range. Generally speaking, they are in the tens of thousands and hundreds of thousands of square kilometers, and some reach millions of square kilometers or even tens of millions of square kilometers. For example, ASEAN Free Trade Zone, the Yangtze River Delta, Pearl River Delta and so on. The economy generated in these vast areas can be called a large-area economy. In large-scale regional economy, the central cities are included and the focus of the national productive forces layout is concentrated. For example, in the Yangtze River Delta, there are central cities such as Shanghai, Nanjing and Hangzhou. The rural areas in these large areas have unique conditions for development. They are rapidly prospered by the central cities, and some are approaching or even becoming urbanized,