Resumo

ANYAECHE, C.O.  e  OLULEYE, A.E.. A productivity evaluation model based on input and output orientations. S. Afr. J. Ind. Eng. [online]. 2009, vol.20, n.1, pp.45-58. ISSN 2224-7890.

Many productivity models evaluate either the input or the output performances using standalone techniques. This sometimes gives divergent views of the same system's results. The work reported in this article, which simultaneously evaluated productivity from both orientations, was applied on real life data. The results showed losses in productivity (-2%) and price recovery (-8%) for the outputs; the inputs showed productivity gain (145%) but price recovery loss (-63%). These imply losses in product performances but a productivity gain in inputs. The loss in the price recovery of inputs indicates a problem in the pricing policy. This model is applicable in product diversification.

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