Miranowski, John; Rosburg, Alicia; Aukayanagul, Jittinan - Department of Economics, Iowa State University - 2013
During the past half century, per-acre maize yields have increased due to improved cultivars, better management, and favorable weather. Recent US biofuel legislation, e.g., revised Renewable Fuel Standard, has increased the demand for bio-fuel and added competition for available cropland. ...