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Systematic and nonsystematic risk in farm portfolio selection


, : Systematic and nonsystematic risk in farm portfolio selection. American journal of agricultural economics 70(4): 831-836

The concepts of systematic and nonsystematic risk are evaluated as risk measures in farm planning models. A diagonal quadratic programming model based upon a single-index model yields farm plans similar to the full variance-covariance quadratic program with four of thirteen farm plans being identical. Surprisingly, a linear programming model using only systematic risk produces farm plans that are identical to the full variance-covariance quadratic program for eleven of thirteen income levels. Accordingly, it is suggested that single-index-based programming models may prove to be practical alternatives for deriving mean-variance-efficient farm plans.

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Accession: 001962785

DOI: 10.2307/1241924

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