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Journal of Applied Mathematics
Volume 2013 (2013), Article ID 607190, 8 pages
Research Article

Modified Malmquist Productivity Index Based on Present Time Value of Money

1Department of Mathematics, Islamic Azad University, Science and Research Branch, P.O. Box 14155/4933, Tehran, Iran
2Department of Electrical, Computer and Biomedical Engineering, Islamic Azad University, Qazvin Branch, P.O. Box 34185/1416, Qazvin, Iran

Received 9 September 2012; Revised 11 December 2012; Accepted 30 December 2012

Academic Editor: Mohammad Khodabakhshi

Copyright © 2013 Farhad Hosseinzadeh Lotfi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

How to Cite this Article

Farhad Hosseinzadeh Lotfi, Golamreza Jahanshahloo, Mohsen Vaez-Ghasemi, and Zohreh Moghaddas, “Modified Malmquist Productivity Index Based on Present Time Value of Money,” Journal of Applied Mathematics, vol. 2013, Article ID 607190, 8 pages, 2013. doi:10.1155/2013/607190