𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Choice of metric in the measurement of relative productive efficiency

✍ Scribed by P.C. Ritchie; J.E. Rowcroft

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
423 KB
Volume
46-47
Category
Article
ISSN
0925-5273

No coin nor oath required. For personal study only.

✦ Synopsis

In this paper different data envelope analysis (DEA) models are compared in terms of their potential to generate a quantitative measure of the degree of inefficiency. The Russell [1] measure in particularly appealing since it is not restricted to simple proportional comparisons. However, its actual value is sensitive to the choice of weights on the different inputs (or outputs) in the objective function. This may be of little significance in a simple binary classification of efficient and inefficient firms. However when evaluating the degree of efficiency, and hence the "distance" of a firm from the efficient envelope, choice of metric becomes critical. A number of alternative metrics are compared, including the "stability index" of Charnes et al. [2] and an alternative approach is suggested using the nature of the linear program itself. The paper concludes with a numerical illustration.

📜 SIMILAR VOLUMES

On the Measurement of the Environmental
On the Measurement of the Environmental Performance of Firms— A Literature Review and a Productive Efficiency Perspective
✍ Daniel Tyteca 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 234 KB

We define environmental performance indicators as analytical tools that allow one to compare various plants in a firm, or various firms in an industry, with each other and with respect to certain environmental characteristics. We start from a reflection about the kind of information that should be i

Consequences of the failure of the axiom
Consequences of the failure of the axiom of choice in the theory of Lindelöf metric spaces
✍ Kyriakos Keremedis 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 167 KB

## Abstract We study within the framework of Zermelo‐Fraenkel set theory ZF the role that the axiom of choice plays in the theory of Lindelöf metric spaces. We show that in ZF the weak choice principles: (i) Every Lindelöf metric space is separable and (ii) Every Lindelöf metric space is second cou