An Overview of the Intended and Unintended Effects of U.S. Agricultural and Biotechnology Policies

Joshua S. Graff Zivin and Jeffrey M. Perloff, The Intended and Unintended Effects of US Agricultural and Biotechnology Policies (University of Chicago Press, 2011), https://www.nber.org/books-and-chapters/intended-and-unintended-effects-us-agricultural-and-biotechnology-policies/overview-intended-and-unintended-effects-us-agricultural-and-biotechnology-policies.