Measures of Concentration
作者:
Marshall Hall,
Nicolaus Tideman,
期刊:
Journal of the American Statistical Association
(Taylor Available online 1967)
卷期:
Volume 62,
issue 317
页码: 162-168
ISSN:0162-1459
年代: 1967
DOI:10.1080/01621459.1967.10482897
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
This paper discusses measures of industry concentration—the concentration ratio, the Herfindahl index and a new measure developed by the authors—both analytically and empirically. The analytical analysis consists of developing a set of properties which we argue all measures of concentration should possess. Although the concentration ratio is shown to be deficient on analytical grounds it appears to yield estimates of concentration not too different from the Herfindahl index and the measure devised by the authors.
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