Estimating output gains by means of Luenberger efficiency measures

Article Abstract:

A method of measuring input allocative efficiency using directional distance functions is presented. The method compares the gain in output of a firm if it reduces its technical inefficiency in direct and indirect production possibility sets. An estimate of efficiency of Japanese banks during 1992-1999 reveals that gains in output from reducing allocative inefficiency are greater than the gains from reduction of technical inefficiency.

Author: Fukuyama, Hirofumi, Weber, William L.
Publisher: Elsevier B.V.
Publication Name: European Journal of Operational Research
Subject: Business, international
ISSN: 0377-2217
Year: 2005
Japan, Production Management, Usage, Resource allocation, Functions (Mathematics), Functional equations, Functions

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Inner and outer approximations of technology: a data envelopment analysis approach

Article Abstract:

Outer approximation is found to be the intersection of the half spaces associated with a production technology. It is also an outer approximation to the nonconvex free disposable hull technology. The convex free disposable hull of the input output data, which contains an increasing amount of economic information about the signs of prices and profits, is the inner approximation.

Author: Fare, Rolf, Sung Ko Li
Publisher: Elsevier B.V.
Publication Name: European Journal of Operational Research
Subject: Business, international
ISSN: 0377-2217
Year: 1998
Operations Research, Profit, Profits

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Returns to scale and scale elasticity in data envelopment analysis

Article Abstract:

Issues are presented concerning an analysis of the mathematical characterizations of scale elasticity, which have been based on the data envelopment analysis, for frontier and nonfrontier units.

Author: Fukuyama, Hirofumi
Publisher: Elsevier B.V.
Publication Name: European Journal of Operational Research
Subject: Business, international
ISSN: 0377-2217
Year: 2000
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Subjects list: Analysis, Operations research, Research, Management science, Data envelopment analysis
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