Rafsnider, Giles T, et al - In: European Review of Agricultural Economics 20 (1993) 4, pp. 471-89
Portfolio analysis, using nonlinear risk programming, was applied to identify the risk-efficient crop portfolios for a group of subsistence farmers. On average these individuals operated 6.5 hectares of crop land. It was shown that E-V approximations could be developed, using quadratic...