Parametric estimation of a gauge function and a measure of technical efficiency

Yongseung Han (), Thomas Littlefield and Myeong Hwan Kim

Journal of Economic Studies, 2020, vol. 48, issue 6, 1145-1161

Abstract: Purpose - This paper proposes the use of a gauge function as a measure of technical efficiency. The measure of technical inefficiency from a gauge function is desirable as the estimation of a gauge function is not subject to the endogeneity problem under the behavioral assumption of profit maximization in the competitive market. Design/methodology/approach - The authors address three important properties of a gauge function, i.e. linear homogeneity, monotonicity and convexity in inputs and outputs, and show how such properties are utilized in its estimation. Then, the authors apply the estimation of a gauge function to US Blacksmiths in 1850 and 1880 to show that a failure to satisfy such properties may lead to an incorrect inference on the technical efficiency. Findings - The authors find that the Blacksmiths in the 1850s were technically more efficient than the ones in the 1880s, indicating technical regress in Blacksmithing when the properties are satisfied. Originality/value - This paper introduces a measure of technical inefficiency from a gauge function and shows how to estimate the gauge function parametrically for the measure. The authors show McFadden's gauge function and its properties, which differ from the properties of other distance functions. The authors emphasize linear homogeneity as well as monotonicity and convexity in inputs and outputs, which must be satisfied in the estimation of a gauge function.

Keywords: Gauge function; Distance function; Technical efficiency; Endogeneity; Blacksmith; D24; L61; N61 (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eme:jespps:jes-08-2020-0380

DOI: 10.1108/JES-08-2020-0380

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