This inspiring collection compiles the most essential papers encompassing agglomeration economies. Agglomeration economies are manifested in cities and industry clusters shaping the neighborhoods and the regions that contain them. The literature is unified around several themes: Improvements in econometric methods and data, geographic scales at which agglomeration economies operate, micro-neighborhoods and mega-regions. The volume also uncovers the forces driving the field including labor markets, input markets and dynamic phenomena such as innovation, technology change and growth. Prefaced...