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Periodical article Periodical article Leiden University catalogue Leiden University catalogue WorldCat catalogue WorldCat
Title:Absolute vs. relative concentration in manufacturing industry, 1972-1985
Author:Leach, D.F.ISNI
Year:1992
Periodical:South African Journal of Economics
Volume:60
Issue:4
Pages:386-399
Language:English
Geographic term:South Africa
Subjects:economic concentration
industry
External link:https://doi.org/10.1111/j.1813-6982.1992.tb01046.x
Abstract:In their article on trends in economic concentration in South Africa (1989) F.C.v.N. Fourie and M.R. Smit measure concentration by the Gini coefficient, a measure of inequality or 'relative concentration'. They were under the misapprehension that data to measure 'absolute concentration' were not available. In the present article the author measures trends in concentration for South African manufacturing industries using two absolute measures of concentration, the occupancy count (a discrete measure), and the Rosenbluth index (a summary measure). Section 1 of the paper describes the data and measurement of the concentration variables. Section 2 presents the results for the trends in concentration. It is possible to show the trends from 1972 to 1985 because data for an additional census year, 1985, have become available since the Fourie and Smit study. Section 3 shows the relative importance of trends in inequality and number of firms in determining trends in concentration. Section 4 is a summary and conclusion. Bibliogr., notes, ref.
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