Scale, productivity growth and risk response under uncertainty Jana Hranaiova | Spiro E. Stefanou | Show more Jana Hranaiova United States University of New Mexico Anderson Schools of ManagementU. of New Mexico. Spiro E. Stefanou United States Pennsylvania State University Dep. of Agricultural Economics Submitted: 2016-03-07 | Accepted: | Published: 2011-10-23 DOI: https://doi.org/10.7201/earn.2002.02.04