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Entropy maximization as a basis for information recovery in dynamic economic behavioral systems
Judge, George G. - In: Econometrics : open access journal 3 (2015) 1, pp. 91-100
intelligent behavior, causal entropy maximization and self-organized equilibrium seeking behavior. This entropy-based causal …
Persistent link: https://www.econbiz.de/10010478980
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Oil and GCC foreign exchange forward markets : a wavelet analysis
Al-Maskati, Nawaf - In: Borsa Istanbul Review 22 (2022) 5, pp. 1039-1044
We examine the relationship between oil as a major export for the member countries of the Gulf Cooperation Council (GCC) and the forward levels of all GCC currencies using wavelet analysis. We find that oil and GCC forward markets have significant but weak relationships at high frequencies. We...
Persistent link: https://www.econbiz.de/10013426760
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A generalized entropy approach to portfolio selection under a hidden markov model
MacLean, Leonard C.; Yu, Lijun; Zhao, Yonggan - In: Journal of risk and financial management : JRFM 15 (2022) 8, pp. 1-25
Rényi entropy criterion, which summarizes the uncertainty in portfolio returns. Assuming asset returns are projected by a … regime-switching regression model on the two market risk factors, we develop an entropy-based dynamic portfolio selection … empirical Sharpe and return to entropy ratios, the dynamic portfolio under the proposed strategy is much improved in contrast …
Persistent link: https://www.econbiz.de/10013375264
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Generalized fractional processes with long memory and time dependent volatility revisited
Peiris, M. Shelton; Asai, Manabu - In: Econometrics : open access journal 4 (2016) 3, pp. 1-21
In recent years, fractionally-differenced processes have received a great deal of attention due to their flexibility in financial applications with long-memory. This paper revisits the class of generalized fractionally-differenced processes generated by Gegenbauer polynomials and the ARMA...
Persistent link: https://www.econbiz.de/10011568296
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Bootstrapping time-varying uncertainty intervals for extreme daily return periods
Makatjane, Katleho - In: International Journal of Financial Studies : open … 10 (2022) 1, pp. 1-23
This study aims to overcome the problem of dimensionality, accurate estimation, and forecasting Value-at-Risk (VaR) and Expected Shortfall (ES) uncertainty intervals in high frequency data. A Bayesian bootstrapping and backtest density forecasts, which are based on a weighted threshold and...
Persistent link: https://www.econbiz.de/10012804913
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Tail spillover effects between cryptocurrencies and uncertainty in the gold, oil, and stock markets
Mensi, Walid; Gubareva, Mariya; Ko, Hee-Un; Xuan Vinh Vo; … - In: Financial innovation : FIN 9 (2023) 1, pp. 1-27
This study investigates tail dependence among five major cryptocurrencies, namely Bitcoin, Ethereum, Litecoin, Ripple, and Bitcoin Cash, and uncertainties in the gold, oil, and equity markets. Using the cross-quantilogram method and quantile connectedness approach, we identify cross-quantile...
Persistent link: https://www.econbiz.de/10014289114
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Networks of log returns and volatilities of international stock market indexes
Sandoval Junior, Leonidas - In: The journal of network theory in finance 3 (2017) 3, pp. 41-82
Persistent link: https://www.econbiz.de/10011879065
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Current volatility as a measure of market risk
Kussy, Mikhail - In: International journal of risk assessment and management … 20 (2017) 4, pp. 333-349
Persistent link: https://www.econbiz.de/10011859119
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Testing the equality of Nifty 50 stocks' volatility risk using correlated F-ratio
Jayakumar, G. S. David Sam; Samuel, W.; Sulthan, A. - In: International Journal of Financial Markets and … 8 (2022) 4, pp. 384-409
Persistent link: https://www.econbiz.de/10014311645
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Investigation of stock return volatility using Shannon entropy : evidence from ASEAN stock markets
Xuan Vinh Vo; Tran Thi Tuan Anh - In: Afro-Asian Journal of Finance and Accounting : AAJFA 12 (2022) 4, pp. 479-490
Persistent link: https://www.econbiz.de/10013350691