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| Author: | Sueyoshi, T. |
| Title: | Measuring efficiencies and returns to scale of Nippon Telegraph & Telephone in production and cost analyses |
| Journal: | Management Science
1997 : JUN, VOL. 43:6, p. 779-796 |
| Index terms: | TELECOMMUNICATIONS INDUSTRY DATA ENVELOPMENT ANALYSIS COST BENEFIT ANALYSIS EFFICIENCY JAPAN |
| Language: | eng |
| Abstract: | This paper provides a theoretical framework related to data envelopment analysis in which an analytical relationship among different efficiency concepts is defined and explored in term of production and cost analyses. The paper extends the theoretical basis into the measurement of scale economies (SE) end returns to scale (RTS), and unique feature of the SE/RTS measurement is that the approach is based upon the measurement regarding production activity and also cost performance. The paper applies the data envelopment analysis -based approach to measure efficiency concepts and SE/RTS of Nippon Telegraph and Telephone. |
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