The CR4 Index and the Interval Estimation of the Herfindahl-Hirschman Index: An Empirical Comparison
Concentration indices are employed to measure the level of competition within an industry. Among the several indices proposed in the literature, the Herfindahl-Hirschman Index (HHI) and the Four-firm concentration ratio (CR4) are among the most established.
Maurizio Naldi, Marta Flamini
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Adopting the Hirschman–Herfindahl Index to estimate the financial sustainability of Vietnamese public universities [PDF]
Over several decades, the Vietnamese government has increasingly cut its investment in the public higher education system and has also introduced a cost-sharing mechanism.
Trung Thanh Le +5 more
doaj +2 more sources
Analysis of Turkey's Base Metal Ore Exports by Herfindahl Hirschman Concentration Index
Turkey produces underground resources through mining activities and brings them into the economy. Some of the produced minerals are exported. One of the most important of these minerals is base metal ores. Base metal ores are mainly exported to China, and its demand for raw materials is constantly increasing.
UZUN KART, ELİF, BAŞYİĞİT, MİKAİL
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Cautionary Note About the Herfindahl-Hirschman Index of Market (Industry) Concentration [PDF]
The Herfindahl-Hirschman index (HHI) appears to be the most widely used index of market or industrial concentration. It is a summary measure that indicates the degree of competition, market power, and efficiency within a market or an industry. The HHI is also used by government agencies when evaluating potential violation of antitrust laws and ...
Kvålseth, Tarald O.
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The paper describes the automated calculation of Herfindahl–Hirschman Index of regional specialization. Having used GIS programming and Python programming language, a tool has been designed to enable the automated calculation and visualization of the results of the observed index within ArcGIS software environment.
Davorin Bajić, Bajić, Davorin
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Sensitivity Analysis of Herfindahl-Hirschman Index on the Slovak Banking Sector [PDF]
Ivan Brezina, Juraj Pekár
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Creating Sustainable Income through the Cashew Nuts Value Chain (Evidence from Ghana) [PDF]
The study assessed the actors along the Cashew value chain and their influence in making the income derived from cashew sustainable. Primary data for the study were collected from 210 actors using a structured questionnaire.
Nicholas Oppong Mensah +5 more
doaj +1 more source
Some notes on applying the Herfindahl–Hirschman Index [PDF]
The Herfindahl–Hirschman Index is one of the most commonly used indicators to detect anticompetitive behaviour in industries. In fact, an increase in the value of the index is usually interpreted as an indicator of actions which may lessen competition or even create a monopoly.
Akio Matsumoto +2 more
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Product Market Competition, Free Cash Flow, Over Investment and Low Investment [PDF]
The goal of this paper is to examine the association between product marketcompetition and corporate investment decisions on particularly, over investment and low investment. The managers have different incentives to keep cash in firms.
Seyed Kazem Ebrahimi +2 more
doaj +3 more sources
A Buyer-Based Measure of Seller Concentration
In most markets, buyers differ in their ability or willingness to switch supplier. This note proposes a novel industry concentration measure that takes this heterogeneity into account. The index increases in the share of captive sales, coincides with the
Iwan Bos
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