A Flexible Adjustment Model of Employment with Application to Zimbabwe's Manufacturing Industries
AbstractThis paper presents a dynamic adjustment model of employment. The model is applied to a panel of ten Zimbabwean manufacturing industries observed over the period 1970-1993. The adjustment process is industry and time specific. The adjustment parameter is specified in terms of factors affecting the speed of adjustment. Industries are assumed to adjust their labour inputs towards a desired level of labour-use. A labour requirement function is specified in terms of observable variables and is used to model the desired level of labour-use. In evaluating alternative specifications, we used a flexible translog functional form where the labour requirement is a function of wages, output and capital stock. The empirical results show that in the long run, employment demand responds greatest to wages, followed by capital stock changes, and least by output. The sample mean annual speed of adjustment in employment is 33%. We further examined labour-use efficiency of different industries defined as the ratio of optimal to the observed level of employment. The rate of over-use of labour ranges across industries from 6.8% to 8.1% over the period of this study.
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Bibliographic InfoPaper provided by Stockholm School of Economics in its series Working Paper Series in Economics and Finance with number 278.
Length: 20 pages
Date of creation: 06 Nov 1998
Date of revision: 15 Aug 2003
Publication status: Published as the book A Flexible Adjustment Model of Employment with Application to Zimbabwe's Manufacturing Industries, 2005, CEDAM.
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Dynamics; employment; labour-use efficiency; panel data; Zimbabwe's manufacturing; speed of adjustment;
Find related papers by JEL classification:
- C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data; Longitudinal Data; Spatial Time Series
- J23 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Labor Demand
- L60 - Industrial Organization - - Industry Studies: Manufacturing - - - General
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