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A Super Efficiency Model for Product Evaluation

Matthias Staat and Maik Hammerschmidt ()
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Matthias Staat: University of Mannheim

Microeconomics from University Library of Munich, Germany

Abstract: This study applies a Super Efficiency Data Envelopment Analysis model to evaluate the efficiency of cars sold on the German market. Efficiency is conceptualized from a customers' perspective as a ratio of outputs that customers obtain from a product relative to inputs that customers have to invest. The output side is modeled as a set of customer-relevant parameters such as performance attributes but also nonfunctional benefits and brand strength. More than 60% of the cars are efficient but the analysis shows marked differences regarding their degree of Super Efficiency. Super Efficiency indicates the extent to which the efficient products exceed the efficient frontier formed by other efficient units. Based on the parameter weights, segments of cars with a particular mix of characteristics can be identified; cars with a comparative advantage relative to their competitors who provide the same mix are characterized as the reference points within a given segment.

Keywords: Customer Value; Data Envelopment Analysis (DEA); Marketing Efficiency; Product Marketing; Super Efficiency Model (search for similar items in EconPapers)
JEL-codes: D2 D4 M31 (search for similar items in EconPapers)
Date: 2004-02-05
New Economics Papers: this item is included in nep-com, nep-ino and nep-mic
Note: Type of Document - pdf; prepared on WinXP; to print on HP;
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