INTRODUCTION: PROCESSES OF CHANGE IN URBAN SYSTEMS*
梳理了社会科学中分析城市变化的经济、社会和空间维度的多种方法，并探讨其对城市政策和经济发展的启示。
ABSTRACT The twenty‐first century will be one of intensified urbanization, on a scale never before experienced. How do urban systems and individual cities change and develop? The social sciences have many different approaches to analyzing the economic, social, and spatial dimensions of urban change. We inventory some of these approaches and their implications for public policy toward cities, urban change, and economic development.