Task Specialization in U.S. Cities from 1880-2000
NBER Working Paper No. 18715
---- Acknowledgements ----
Previously circulated as "Tasks and Technology in the United States 1880-2000." We are grateful to the Centre for Economic Performance and Princeton University for research support. We are also grateful to Gilles Duranton and Matt Turner for sharing data. We thank William D. Caughlin and George Kupczak for their help with data. We also thank the editor, four referees, Don Davis, Gilles Duranton, Gene Grossman, Gordon Hanson, Marco Manacorda, Alan Manning, Nathan Nunn, Vernon Henderson, Rick Hornbeck, Gianmarco Ottaviano, Steve Pischke, Esteban Rossi-Hansberg, Yona Rubinstein, Will Strange, Nancy Qian, Tony Venables and seminar and conference participants at Copenhagen, the London School of Economics, MIT, NARSC, Oxford, Sorbonne and Sussex for helpful comments and suggestions. The usual disclaimer applies. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.