生产性服务业集聚机制与耦合悖论分析——来自长三角16个核心城市的经验证据
생산성복무업집취궤제여우합패론분석——래자장삼각16개핵심성시적경험증거
Producer Services Agglomeration Mechanism and Coupling Paradox --Empirical Evidence from 16 Core Cities in Yangtze River Delta