Economics of Agglomeration

　　This book provides the first unifying analysis of the range of economic reasons for the clustering of firms and households. Its goal is to explain further the trade-off between various forms of increasing returns and different types of mobility costs. The main focus of the analysis is on cities, but it also explores the formation of other agglomerations, such as commercial districts within cities, industrial clusters at the regional level, and the existence of imbalance between regions.