The author emphasizes that SDL, as a tool for middle-scale theoretical analysis, can well connect urban economics and plutonomy, and better analyze spatial organization of metropolitan regions.

• 首先阐述了选题依据及研究目的,强调劳动空间分工作为一种中观层次的理论分析工具可有效衔接微观的城市经济学和宏观的政治经济学,能够更好地解析大都市区空间组织。