Yield Performance of Corn under Heat Stress: A Comparison of Hybrid and Open-Pollinated Seeds during a Period of Technological Transformation, 1933-1955
NBER Working Paper No. 27291
---- Acknowledgments ----
We wish to thank Petra Moser and Michael Roberts for helpful suggestions and data. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.