INTRODUCTION: HETEROGENEITY AT DIFFERENT SPATIAL SCALES*
探讨城市层面空间异质性如何解释地方不平等，从文化、年龄结构和生产力角度分析，并指出地理邻近性和投入产出联系影响技术追赶，城市化模式异质性影响外资流动，经济集聚与扩散力在不同尺度上表现不同。
ABSTRACT Spatial heterogeneity at the city level is crucial for explaining local inequality. This heterogeneity will continue from a cultural perspective, an age profile perspective, and a productivity perspective. The process of catching up to the technological leader is influenced by geographic proximity and local input–output linkages, particularly to upstream industries. Heterogeneity of urbanization patterns and spatial linkages affect foreign direct investment flows. The relative power of the economic agglomerating and spreading forces are not scale neutral but heterogeneous, more specifically: spatial linkages are found to be more important at higher levels of aggregation.