Short-run and long-run efficiency measures for multiplant firms

研究成果: Article同行評審

11 引文 斯高帕斯(Scopus)

摘要

The usual Data Envelopment Analysis (DEA) model for measuring the relative efficiency assumes that all plants belong to distinct firms superior to them. For firms with more than one plant, Koopmans proposes a procedure for deriving the short-run production frontier for each firm. Modifying his idea, a DEA model is constructed in this paper for measuring the short-run efficiency of each plant within a firm. Based on the theory of production economics that the long-run production frontier is an envelop super-imposed upon all short-run production frontiers, another DEA model is constructed to measure the long-run efficiency of every plant. The long-run efficiency is always smaller than or equal to the short-run efficiency. Consequently, it is possible that an inefficient plant can only be improved in the long-run. With the models constructed in this paper, a decision-maker is able to distinguish between what can be achieved in the short-run and what in the long-run. To clarify the idea, an example of Taiwan forests is adopted for illustration.

原文English
頁(從 - 到)379-388
頁數10
期刊Annals of Operations Research
97
發行號1-4
出版狀態Published - 2000 十二月 1

All Science Journal Classification (ASJC) codes

  • 決策科學 (全部)
  • 管理科學與經營研究

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