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A note on the Malmquist productivity index
Grifell i Tatje, Emili - In: Economics letters 47 (1995) 2, pp. 169-175
Persistent link: https://www.econbiz.de/10001178959
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A global Malmquist productivity index
Pastor, Jesús T.; Lovell, C. A. Knox - In: Economics letters 88 (2005) 2, pp. 266-271
Persistent link: https://www.econbiz.de/10002941947
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Testing the product test
Brea, H.; Grifell i Tatje, Emili; Lovell, C. A. Knox - In: Economics letters 113 (2011) 2, pp. 157-159
Persistent link: https://www.econbiz.de/10009375577