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Interval Estimation of the Herfindahl-Hirschman Index under Incomplete Market Information
2014 UKSim-AMSS 16th International Conference on Computer Modelling and Simulation, 2014An interval estimate is provided for the Herfindahl-Hirschman Index (HHI) when the knowledge about the market is incomplete, and we know just the largest market shares. Two rigorous bounds are provided for the HHI, without any further assumptions. Though the interval gets wider as the sum of the known market shares gets smaller, the estimate proves to ...
Maurizio Naldi, Marta Flamini
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Consistency of Translated Terminology Measured by the Herfindahl-Hirschman Index (HHI)
2016This paper presents research on consistency of translated terminology conducted on three types of legal domain sub corpora, dating from different periods: Croatian-English parallel corpus (1991-2009), English and Croatian versions of the Code of Canon Law translated from Latin (1983), English and Croatian versions of the EU legislation (2013).
Gašpar, Angelina, Seljan, Sanja
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Measuring Competitive Balance in Professional Team Sports Using the Herfindahl-Hirschman Index
Review of Industrial Organization, 2007Competitive balance in sports leagues is essentially concerned with inequality in match and championship outcomes. Measures of inequality or concentration from the income distribution and industrial organization literatures have, therefore, often been used to measure competitive balance.
P. Dorian Owen +2 more
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Herfindahl–Hirschman index level of concentration values modification and analysis of their change
Central European Journal of Operations Research, 2014The Herfindahl–Hirschman Index (HHI) that measures the level of concentration in a given industry is a well-known and commonly accepted one indicator of market competition. On the basis of European Union Commission guidelines and HHI values, the given industry can be characterized as unconcentrated, moderately concentrated or concentrated. The paper is
I. Brezina +3 more
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Modified Herfindahl–Hirschman Index for Measuring the Concentration Degree of Container Port Systems
Transportation Research Record: Journal of the Transportation Research Board, 2010In the evolution of the container port system, “concentration” has been highlighted in both shipping practices and the literature. However, existing concentration measures such as the Herfindahl–Hirschman Index (HHI) cannot appropriately be used to measure the degree of concentration of port markets. This paper aims to develop a standardized index for
Yiping Le, Hitoshi Ieda
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A Characterization of the Herfindahl Hirschman Index and its use in the Horizontal Merger Guidelines
SSRN Electronic Journal, 2021This article characterizes the Herfindahl Hirshman Index and its use by the Department of Justice and the Federal Trade Commission of the United States, in their Horizontal Merger Guidelines. The characterization maps ranges of the index with the level of market concentration and its changes due to horizontal mergers and acquisitions, in terms of the ...
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Applied Spectroscopy, 2015
Hyperspectral chemical imaging technologies are frequently applied in the pharmaceutical industry to assess the distribution of ingredients in product intermediates and finished products. This article discusses two recognized measures of spatial uniformity in the context of pharmaceuticals.
John P, Bobiak, Gary, McGeorge
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Hyperspectral chemical imaging technologies are frequently applied in the pharmaceutical industry to assess the distribution of ingredients in product intermediates and finished products. This article discusses two recognized measures of spatial uniformity in the context of pharmaceuticals.
John P, Bobiak, Gary, McGeorge
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Journal of Economic and Social Measurement, 2013
This article examines whether the Herfindahl-Hirschman Index (HHI) is a reliable decision-making tool of business concentration. The statistical properties of the index are considered in order to facilitate an improved statistical decision-making with the index.
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This article examines whether the Herfindahl-Hirschman Index (HHI) is a reliable decision-making tool of business concentration. The statistical properties of the index are considered in order to facilitate an improved statistical decision-making with the index.
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Transportation, 2014
Using Herfindahl–Hirschman Index and the Mobidrive and Thurgau six-week travel diary datasets this paper examines the degree of repetition of individuals’ choices of their daily activity–travel–location combinations. The results show that the repetitiveness of individual activity–travel–mode–location combinations is highly influenced by the individuals’
Yusak O. Susilo, Kay W. Axhausen
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Using Herfindahl–Hirschman Index and the Mobidrive and Thurgau six-week travel diary datasets this paper examines the degree of repetition of individuals’ choices of their daily activity–travel–location combinations. The results show that the repetitiveness of individual activity–travel–mode–location combinations is highly influenced by the individuals’
Yusak O. Susilo, Kay W. Axhausen
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The Antitrust Bulletin, 1982
The new merger guidelines, issued on June 14, 1982, by the Department of Justice, shift from using the familiar four-firm concentration ratio to the unfamiliar Herfindahl-Hirschman Index (HHI) as a measure or index of market structure. This article explains and interprets HHI, to improve its understanding by members of the antitrust bar.
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The new merger guidelines, issued on June 14, 1982, by the Department of Justice, shift from using the familiar four-firm concentration ratio to the unfamiliar Herfindahl-Hirschman Index (HHI) as a measure or index of market structure. This article explains and interprets HHI, to improve its understanding by members of the antitrust bar.
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