Physics – Data Analysis – Statistics and Probability
Scientific paper
2006-12-30
Physics
Data Analysis, Statistics and Probability
6pages, 3figures, using elsart.cls
Scientific paper
10.1016/j.physa.2007.04.088
We propose an approach to explain fluctuations in time intervals of financial markets data from the view point of the Gini index. We show the explicit form of the Gini index for a Weibull distribution which is a good candidate to describe the first passage time of foreign exchange rate. The analytical expression of the Gini index gives a very close value with that of empirical data analysis.
Inoue Jun'ichi
Sazuka Naoya
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