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On the bases of dynamic system theory and fuzzy clustering methods for attractors of options implied volatility on … market indexes S&P 500, NASDAQ 100, S&P 100 was researched. Results of researches stay that entropy of implied volatility … fuzzy clustering equal from 0.6477 to 0.7986. Implied volatility attractor structure for market indexes are presented with …
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The inhomogeneity of the cross-sectional distribution of realized assets’ volatility is explored and used to build a …-sectional distribution of realized volatility is captured by a finite Gaussian mixture model plus a uniform component that represents … abnormal variations in volatility. Based on the cross-sectional mixture model, at each time point, memberships of assets to …
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This work considers the application of Periodogram and Fourier Series Analysis to model all-items monthly inflation … obtained from the Central Bank of Nigeria (CBN) website. Periodogram and Fourier series methods of analysis are used to analyze …
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The accuracy of U.N. population projections is examined. The goal is to measure the amount of uncertainty associated with past projections of the United Nations in order to provide a reaiistic measure of the uncertainty in the projection that the U.N. makes in the future. Various descriptive...
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