Dual Productivity Analysis: A Konüs/Shephard Approach

E. Grifell-Tatjé () and C. Lovell
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E. Grifell-Tatjé: Universitat Autònoma de Barcelona
Authors registered in the RePEc Author Service: Emili Grifell-Tatje

No WP102019, CEPA Working Papers Series from University of Queensland, School of Economics

Abstract: A primal (or direct) productivity index is conventionally defined as the ratio of an output quantity index to an input quantity index. There have been attempts in the literature to define and implement dual and indirect productivity indexes based on price changes rather than quantity changes. Although dual and indirect productivity indexes share a common motivation, the measurement of productivity change when prices are measured more accurately than quantities, they differ analytically, from one another and from primal productivity indexes. We introduce a new dual productivity index, based on contributions of Konüs and Shephard, and we compare our dual productivity index with a primal productivity index based on the work of Malmquist. We also compare these two theoretical productivity indexes with analogous empirical Fisher productivity indexes. We provide an empirical application to US agricultural productivity growth.

Keywords: dual and primal productivity indexes; price distance functions; agricultural productivity (search for similar items in EconPapers)
JEL-codes: D24 D33 (search for similar items in EconPapers)
Date: 2019-08
New Economics Papers: this item is included in nep-agr and nep-eff
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Persistent link: https://EconPapers.repec.org/RePEc:qld:uqcepa:140

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