长三角区域经济一体化经济增长效应分析（1990~2018）

Abstract:It is not only upgrading needs of Yangtze River Delta region （YRD） at the development stage but also a positive response to the current international severe challenges and changes in the situation that regional integration in the YRD has become a national strategy with high-quality integration development. The price method is used to estimate the regional economic integration index of the YRD. The integration index is declining in the fluctuation. Accordingly，the economic relations among different regions in the YRD also show distinct stage characteristics，indicating that the regional economic integration is enlarging and deepening. It is suggested topromote the high-quality of economic growth of YRD，by mechanism innovation，industrial structure optimization and development of open economy.

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