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An Economic Approach to the Measurement of Productivity Growth Using Differences Instead of Ratios

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Author Info
Diewert, Erwin
Mizobuchi, Hideyuki

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Abstract

Traditional index number theory decomposes a value ratio into the product of a price index times a quantity index. Growth accounting is based on this traditional approach to index number theory. This paper takes an alternative approach which decomposes a value difference into the sum of a price difference plus a quantity difference. We apply this new exact difference methodology in order to decompose the growth of a new measure of labour productivity into additive explanatory factors. This new measure of labour productivity takes into account changes in the terms of trade. We apply our methodology to investigate the growth in living standards per unit of labour for the Japanese economy over the years 1955-2004. The paper also introduces a new flexible functional form for a GDP function that is based on the normalized quadratic functional form pioneered by Diewert and Wales.

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File URL: http://www.econ.ubc.ca/diewert/dp0903.pdf
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Publisher Info
Paper provided by UBC Department of Economics in its series UBC Departmental Archives with number erwin_diewert-2009-2.

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Length: 44 pages
Date of creation: 09 Jan 2009
Date of revision: 09 Jan 2009
Handle: RePEc:ubc:bricol:erwin_diewert-2009-2

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Related research
Keywords: Flexible functional form; producer theory; Japanese economic growth; difference approach; Bennet indicators; labour productivity; exact index numbers;

Find related papers by JEL classification:
C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: General - - - Semiparametric and Nonparametric Methods
D24 - Microeconomics - - Production and Organizations - - - Production; Capital and Total Factor Productivity; Capacity
O47 - Economic Development, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - Measurement of Economic Growth; Aggregate Productivity; Cross-Country Output Convergence
O53 - Economic Development, Technological Change, and Growth - - Economywide Country Studies - - - Asia including Middle East

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This page was last updated on 2009-11-27.

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