In this authoritative collection, Paul Cheshire and Gilles Duranton have brought together the most significant contributions to regional and urban economics since 1990. The volume presents papers on theoretical and empirical analyses of city structure and systems of cities. It places particular emphasis on the empirics of agglomeration and regional growth with a special section on the new economic geography and includes key policy-oriented contributions. The editors have written an authoritative new introduction which offers a comprehensive overview of the subject.This volume will be of particular interest to those pursuing research with a regional and urban focus, including spatial economists, regional scientists, economic geographers and planners.