中文摘要：

改革开放30年来，东部地区的长三角、珠三角和京津冀三大都市圈在中国经济发展中具有举足轻重的地位，已成为中国经济发展的典型区域。本文分析了中国东部三大都市圈经济发展的共同力量，即沿海的地理优势和中国经济改革的优惠政策。进而运用数据对比，挖掘东部三大都市圈经济发展中差异化的主导力量，京津冀都市圈是政府干预主导下的经济发展；长三角都市圈是市场力量主导下的经济发展；珠三角都市圈是由政策引导和外向型经济等外在力量作用下政府干预和市场力量共同作用的经济发展。

英文摘要：

After thirty years＇ reform opening, the eastern three metropolitan areas which are Yangtze river delta, Pearl river delta and Beijing Tijian Hebei delta have been the typical areas for economic development in China. It is proposed the common factors that influence economic development in eastern three metropolitans, which are coastal geographic advantage and reform opening policy. Furthermore different factors that influence economic development in eastern three metropolitans are analyzed. Economic development in YRD is dominated by market power, those in BTHD is dominated by government power, and those in PRD is dominated by the market power and government power induced by the push of policy and pull of export oriented economy.