Measuring retail productivity: monetary vs physical input measures
The issue of productivity measurement has been extensively debated in the literature. However, no consensus on the proper measures of retail inputs has emerged. The purpose of this research was to examine the use of monetary versus physical measures of productivity inputs using Cobb-Douglas production functions. The results indicate that the elasticity estimates of monetary measures are empirically equal to physical measures of retail input. The findings further suggest that monetary measures are appropriate when market imperfections are controlled. In addition, it is suggested that physical measures of retail inputs fail to capture the heterogeneity of units when used at aggregated levels. This paper concludes by providing a platform for further discussion on retail productivity measurements.
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Document Type: Research Article
Publication date: 1998-10-01