Schooling Externalities, Technology and Productivity: Theory and Evidence from U.S. States
---- Acknowledgements -----
We are very grateful to Daron Acemoglu and two anonymous referees for extremely helpful suggestions. We thank Jordan Rappoport for kindly sharing with us the data on population and geographical coordinates of U.S. counties. We thank Antonio Ciccone and Benjamin Mandel for extremely helpful comments. Seminar participants at UC Davis, University of Munich, RSSS at the Australian National University, Victoria University of Wellington and Monash University also provided useful comments. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.