The Delta Effect: How Shanghai's Gravity Reshapes Eastern China's Economic Geography

[Section 1: The 1+8 City Cluster Blueprint]• Official Boundaries: - Core: Shanghai (6,340 km²) - Directly administered municipalities: 3 (Shanghai, Nanjing, Hangzhou) - Prefecture-level cities: 6 (Suzhou, Wuxi, etc.) - Total population: 87