新一轮城市竞争，开始了

Core Viewpoint - The document outlines a strategic shift in urban development in China, moving from rapid growth to stable development, emphasizing quality over quantity in urbanization and promoting collaborative competition among cities [2][4][5]. Group 1: Urban Development Strategy - The Central Committee and State Council have issued guidelines to promote high-quality urban development, establishing a roadmap for future urban growth [2]. - The focus is on enhancing the competitiveness of mega cities and improving the capacity of small and medium-sized cities and towns [3][12]. - The shift in urbanization strategy includes a transition from "rapid growth" to "stable development" and from "incremental expansion" to "quality improvement" [4][63]. Group 2: City Group and Urban Circle Development - The document emphasizes the importance of city clusters and urban circles, advocating for integrated and coordinated development [7][9]. - The new model encourages "collaborative competition," moving away from the previous focus on individual city competition [6][24]. - Key city clusters identified include Beijing-Tianjin-Hebei, Yangtze River Delta, and Guangdong-Hong Kong-Macau Greater Bay Area, which are expected to become world-class urban clusters [12][14]. Group 3: Urban Circle Characteristics - Urban circles are defined as having a core city with a surrounding area that includes multiple smaller cities, typically within a one-hour commuting radius [10][11]. - The document lists 30 large urban circles, with 17 approved as national-level urban circles, including major cities like Guangzhou, Shenzhen, and Chengdu [18][22]. - The development of urban circles is still in its early stages, with many in the cultivation phase [20]. Group 4: Urban Competitiveness - The document calls for enhancing the comprehensive competitiveness of mega cities, focusing on their core functions and global resource allocation capabilities [24][25]. - It highlights the importance of technology innovation platforms in mega cities to drive high-quality development [24][26]. Group 5: Urban Expansion and Management - The guidelines indicate a halt to the previous trend of rapid urban expansion, emphasizing the need for controlled growth and the optimization of administrative divisions in smaller cities [45][51]. - The focus will shift towards improving existing urban areas rather than expanding their boundaries, with an emphasis on urban renewal and community development [58][65]. Group 6: Real Estate Sector Impact - The transition to stable urban development is expected to significantly impact the real estate sector, shifting the focus from new construction to the renovation and improvement of existing properties [61][63]. - The document supports self-renovation initiatives for old housing, indicating a move away from large-scale government-led redevelopment projects [66][68].