This volume is a follow-up to the earlier Urban Economics, Volume 2 of Handbook of Regional and Urban Economics, edited by Edwin Mills. The earlier volume, published in 1987, focussed on urban economic theory. This new handbook, in contrast, focuses on applied urban research. The difference is of course in emphasis. The earlier volume was by no means entirely concerned with theoretical research and this one is by no means entirely concerned with applied research.

There have certainly been important theoretical developments during the last decade, and they are surveyed...