Causal Inference in Urban and Regional Economics
---- Acknowledgments ----
This paper has been written as a chapter of the "Handbook of Regional and Urban Economics", Volume 5, Duranton, Henderson, and Strange editors, Elsevier. We thank Gilles Duranton, Thomas Holmes, Vernon Henderson, and Will Strange for helpful comments and suggestions. Adrian Rubli, Pengpeng Xiao, and Chen Zheng provided excellent research assistance. We also thank the Research Sponsors Program of the Zell/Lurie Real Estate Center at Wharton for financial support. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.