Miejsce Komitetu Ekonomiki Rolnictwa PAN oraz Wydziału Nauk Ekonomicznych SGGW w rozwoju ekonomiki rolnictwa w Polsce
The place of agricultural economics Committee of Polish Academy of Science and the Faculty of Economic Sciences of Warsaw Academy in Agricultural Economic in Poland development
Roczniki Nauk Rolniczych, Seria G, 2008, vol.94, nr 2, s. 7-8
Abstract
The aim of the paper was to test two methods of considering risk in the input-output coefficients of a linear programming model used to optimise farm production plans. There were analysed the Charnes- Cooper method and the constrains multiplication method. The analysis based on the 88 farm models. The models used for the comparison differ by the size of resources (the proportions of arable land and meadows, labour) and the level of the input-output coefficient variance-covariance matrix. Both methods gives quite similar results in the most cases. The test provided that the constrains multiplication method is slightly less restrictive to the objective function and the value of the risk affected variables.