The aim of the paper was to verify the hypothesis assuming that individual farms, which made use of public funds' support for investment were more effective than those which had not applied. Stochastic Frontier Analysis and Data Envelopment Analysis were applied to measure the technical effectiveness of individual farms directed at plant production (field crops) in 2004-2006. Return on equity was used as the measure of financial effectiveness. It was established that individual farms which made use of public funds' support for investment were both technically and financially more effective. Thus the hypothesis was confirmed.
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