Christian L. Redfearn is an assistant professor in the School of Policy, Planning, and Development at the University of Southern California. He joined the faculty at USC after completing his Ph.D. in economics at the University of California, Berkeley. An urban economist, he is engaged in research projects that focus on the evolution of metropolitan land and real estate markets. Specific examples of his current research involve neighborhood evolution, housing price measurement issues in a complex urban setting, trading property rights and externalities in historic preservation districts, the hierarchy of urban land markets, as well as the spatial organization of metropolitan employment and its persistence over long periods of time. He has published recently in the Journal of Urban Economics, the Journal of Regional Science, Real Estate Economics, and Environment & Planning A. His email is redfearn@sppd.usc.edu.