Yield Performance of Corn under Heat Stress: A Comparison of Hybrid and Open-Pollinated Seeds during a Period of Technological Transformation, 1933-1955
Chapter in forthcoming NBER book Economics of Research and Innovation in Agriculture, Petra Moser, editor
---- Acknowledgments ----
We thank Richard Sutch, Diane Griliches', the USDA, and Michael Roberts for their aid in this research. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.