作者: Angelo Zago
DOI: 10.1111/J.1467-8276.2009.01268.X
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摘要: This article proposes a methodology to measure the characteristics of intermediate products when quality is multidimensional. It uses general representation multioutput technology via directional distance functions and constructs indicators based on differences rather than ratios. The may be used evaluate firms’ output, taking into account whole set attributes. paper explores how aggregate vary with production level finds trade-off between quantity in wine grapes. Copyright 2007, Oxford University Press.