Nathaniel Baum-Snow holds the Premier's Research Chair in Productivity and Competitiveness and is a Professor of Economic Analysis and Policy. He has research interests in urban and real estate economics, labor economics and economic geography. Recent research includes studies about housing supply and affordability, productivity spillovers that operate between firms at hyper local spatial scales and the causes and consequences of neighborhood change. Past research also includes investigations of reasons for changes in the spatial organization of economic activity in U.S. and Chinese cities, reasons for which workers earn more and have more dispersed wages in larger cities, and the consequences of transportation infrastructure investments on urban growth and welfare. He is a Managing Editor at the Journal of Urban Economics.