A Review of Concentration, Diversity or Entropy Metrics in Economics, Finance, Ecology and Communication Science
Many diversity, concentration and entropy metrics are analogous, sharing common origins in ecological science, engineering, mathematics, and communications theory. The difference in terminology depends upon the discipline in which the metrics are applied. The forthcoming article defines the concepts of concentration, diversity and entropy. The various indices used to measure these natural phenomena are examined and their origins identified. Selected examples of their application are reviewed. The aim is to provide a background to concentration metrics that have been applied in different fields of study, thus aiding the identification of topics where they might be used for future research.
||Concentration Indexes, Diversity Indexes, Entropy Indexes, Stock Index Concentration
The International Journal of Interdisciplinary Social Sciences, Volume 2, Issue 4, pp.53-60.
Article: Print (Spiral Bound).
Article: Electronic (PDF File; 606.572KB).
Lecturer, Department of Accounting and Finance, University of Stirling, Stirling, Stirlingshire, UK
Isaac Tabner has been a lecturer in Finance at the University of Stirling since September 2003, and completed a PhD, “The relationship between concentration and realised volatility: an empirical investigation of the FTSE 100 Index January 1984 through March 2003” in August 2004. He has also earned the right to use the Chartered Financial Analyst designation from the CFA Institute, is a member of the UK Shareholders Association and received an MSc in Investment Analysis with distinction from the University of Stirling in August 1999. His reseach interests include the diversification of stock indices, house prices, behavioural finance and valuation. Before studying finance and investment, he worked as a marine biologist in Canada and received an honours degree in Marine and Environmental Biology from the University of Saint Andrews.
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