Masahisa Fujita, a member of the Japan Academy and the President of the Research Institute of Economy, Trade and Industry, has been a major contributor to spatial economic theory during his twenty-year tenure at the University of Pennsylvania and more recently at Kyoto University and Konan University. Professor Fujita is the author or co-author of three books: Spatial Development Planning (1978); Urban Economic Theory (Cambridge, 1989), which remains to this day the most authoritative graduate textbook on urban economics; and The Spatial Economy (1999, co-authored with Paul Krugman and A. J. V...