Inappropriate Technology: Evidence from Global Agriculture

We thank Daron Acemoglu, Marios Angeletos, David Atkin, Abhijit Banerjee, Chris Barrett, Laura Boudreau, Arnaud Costinot, Dave Donaldson, John Friedman, Michela Giorcelli, Michael Goodin, Gabriel Kreindler, Matt Lowe, Erzo Luttmer, Marti Mestieri, Paul Novosad, Nathan Nunn, Ben Olken, Jesse Perla, James Robinson, Frank Schilbach, and Chris Udry for helpful comments. We are very grateful to Christine Sherratt and Hope Jansen for their help acquiring the CABI Crop Protection Compendium and to Tomochika Motomura for his support with the UPOV data, and Aidan Toner-Rodgers for assistance with the patent applicant classification. We also thank seminar participants at MIT, Harvard, University of British Columbia, University of Southern California, UC San Diego, UC Berkeley, Penn State, the Stockholm School of Economics, the IIES at Stockholm University, NYU, the NEUDC, the RIDGE Virtual Forum, the NBER Development Economics/BREAD Fall Meeting, the NBER Macroeconomics and Productivity Summer Institute, the European Meeting of the Econometric Society, the WIDER Development Conference at Universidad de los Andes, Stanford, Stanford GSB, HBS, Princeton, Yale, Chicago Booth, Cornell, Tel Aviv University, Hebrew University, Hong Kong University, ShanghaiTech, Chinese University of Hong Kong-Shenzhen, Sciences Po, FGV Sao Paulo, PUC Rio, Northwestern Kellogg, University of Minnesota (Applied Economics), Rutgers AFRE, the American Society for Virology Annual Meeting, and Iowa State for helpful feedback. Zhuokai Huang, Rada Pavlova, and Miriam Zuo provided excellent research assistance. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.