Measuring the change in R&D efficiency of the Japanese pharmaceutical industry
This paper presents a data envelopment analysis (DEA)/Malmquist index methodology for measuring the change in R&D efficiency at both firm and industry levels. Letting each of ten firms in each year be a separate decision-making unit, and employing one input and three outputs in a DEA case of R&a...
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| Veröffentlicht in: | Research policy 2008-12, Vol.37 (10), p.1829-1836 |
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| creator | Hashimoto, Akihiro Haneda, Shoko |
| description | This paper presents a data envelopment analysis (DEA)/Malmquist index methodology for measuring the change in R&D efficiency at both firm and industry levels. Letting each of ten firms in each year be a separate decision-making unit, and employing one input and three outputs in a DEA case of R&D activity input–output lag, we measure “total factor R&D efficiency” change of Japanese pharmaceutical firms for decade 1983–1992 as defined by the period of R&D input. Decomposing Malmquist index into catch-up and frontier shift components and using “cumulative indices” proposed in this study, we evaluate R&D efficiency change for each firm and empirically show that R&D efficiency of Japanese pharmaceutical industry has almost monotonically gotten worse throughout the study decade. |
| doi_str_mv | 10.1016/j.respol.2008.08.004 |
| format | Article |
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| ispartof | Research policy, 2008-12, Vol.37 (10), p.1829-1836 |
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| language | eng |
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| source | RePEc; Access via ScienceDirect (Elsevier) |
| subjects | Changes Data envelopment analysis Decision making Efficiency Input-output analysis Japan Japanese pharmaceutical industry Malmquist index Measurement Pharmaceutical industry R&D R&D efficiency change R&D efficiency change Data envelopment analysis Malmquist index Japanese pharmaceutical industry Research & development Research and development Studies Technical efficiency |
| title | Measuring the change in R&D efficiency of the Japanese pharmaceutical industry |
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