A note on the Malmquist productivity index

E. Grifell-Tatjé; C. A.K. Lovell

doi:https://doi.org/10.1016/0165-1765(94)00497-P

A note on the Malmquist productivity index

E. Grifell-Tatjé, C. A.K. Lovell

Research output: Contribution to journal › Article › Research › peer-review

234 Citations (Scopus)

Abstract

In recent years the Malmquist index has gained in popularity as a measure of productivity change. We demonstrate that, in the presence of non-constant returns to scale, the Malmquist productivity index does not accurately measure productivity change. The bias is systematic, and depends on the magnitude of scale economies. © 1995.

Original language	English
Pages (from-to)	169-175
Journal	Economics Letters
Volume	47
DOIs	https://doi.org/10.1016/0165-1765(94)00497-P
Publication status	Published - 1 Jan 1995

Keywords

Malmquist
Productivity
Scale economies

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title = "A note on the Malmquist productivity index",

abstract = "In recent years the Malmquist index has gained in popularity as a measure of productivity change. We demonstrate that, in the presence of non-constant returns to scale, the Malmquist productivity index does not accurately measure productivity change. The bias is systematic, and depends on the magnitude of scale economies. {\textcopyright} 1995.",

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T1 - A note on the Malmquist productivity index

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AU - Lovell, C. A.K.

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N2 - In recent years the Malmquist index has gained in popularity as a measure of productivity change. We demonstrate that, in the presence of non-constant returns to scale, the Malmquist productivity index does not accurately measure productivity change. The bias is systematic, and depends on the magnitude of scale economies. © 1995.

AB - In recent years the Malmquist index has gained in popularity as a measure of productivity change. We demonstrate that, in the presence of non-constant returns to scale, the Malmquist productivity index does not accurately measure productivity change. The bias is systematic, and depends on the magnitude of scale economies. © 1995.

KW - Malmquist

KW - Productivity

KW - Scale economies

U2 - https://doi.org/10.1016/0165-1765(94)00497-P

DO - https://doi.org/10.1016/0165-1765(94)00497-P

M3 - Article

VL - 47

SP - 169

EP - 175

JO - Economics Letters

JF - Economics Letters

SN - 0165-1765

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