Results 11 to 20 of about 13,792,513 (203)

Structural Breaks and Long Memory Property in Korean Won Exchange Rates: Adaptive FIGARCH Model

open access: yesEast Asian Economic Review, 2011
This paper explores the issue of structural breaks and long memory property in the conditional variance process of the Korean exchange rates. To analyze the above in detail, this paper examines the dynamics of the structural breaks and the long memory in
Young Wook Han
doaj   +2 more sources

Modeling Long Memory Volatilities of Nigeria Selected Macro Economic Variables with Arfima and Arfima Figarch

open access: yesCumhuriyet Science Journal
The research delved into analysing the stochastic characteristics of Nigeria's Real GDP, the exchange rate of the Naira to US Dollar, and the inflation rate employing Autoregressive fractionally integrated moving average (ARFIMA) and the Autoregressive ...
Ayoade Adewole
doaj   +2 more sources

Kredi Temerrüt Takası Primlerinin Oynaklığında Uzun Hafıza ve Etkin Piyasa Hipotezi - Fraktal Piyasa Hipotezi Sınaması: Türkiye Örneği

open access: yesGaziantep Üniversitesi Sosyal Bilimler Dergisi, 2021
Bu çalışmada, Türkiye’nin 2010 – 2020 dönemine ait ülke Kredi Temerrüt Takası Primlerinin finansal zaman serisi olarak özellikleri araştırılmış, parametrik ve yarı parametrik ön testler uygulanmıştır.
Mustafa Çevik, Süleyman Serdar Karaca
doaj   +1 more source

Direct versus iterated multiperiod Value‐at‐Risk forecasts

open access: yesJournal of Economic Surveys, Volume 37, Issue 3, Page 915-949, July 2023., 2023
Abstract Since the late nineties, the Basel Accords require financial institutions to measure their financial risk by reporting daily predictions of Value at Risk (VaR) based on 10‐day returns. However, a vast part of the related literature deals with VaR predictions based on one‐period returns.
Esther Ruiz, María Rosa Nieto
wiley   +1 more source

Volatility and dynamic dependence modeling: Review, applications, and financial risk management

open access: yesWIREs Computational Statistics, Volume 14, Issue 5, September/October 2022., 2022
Moving 20‐day window dynamic risks of Alphabet Inc. (GOOGL), the Bank of America Corporation (BAC), and the Coca‐Cola Company (KO) during 26 December 2017 to 31 December 2020. Abstract Since the introduction of ARCH models close to 40 years ago, a wide range of models for volatility estimation and prediction have been developed and integrated into ...
Mike K. P. So   +3 more
wiley   +1 more source

Uncertainty due to infectious diseases and forecastability of the realized variance of United States real estate investment trusts: A note

open access: yesInternational Review of Finance, Volume 22, Issue 3, Page 540-550, September 2022., 2022
Abstract We examine the forecasting power of a daily newspaper‐based index of uncertainty associated with infectious diseases (EMVID) for real estate investment trusts (REITs) realized market variance of the United States (US) via the heterogeneous autoregressive realized volatility (HAR‐RV) model.
Matteo Bonato   +3 more
wiley   +1 more source

Nonlinear Volatility Risk Prediction Algorithm of Financial Data Based on Improved Deep Learning

open access: yesDiscrete Dynamics in Nature and Society, Volume 2022, Issue 1, 2022., 2022
With the gradual integration of global economy and finance, the financial market presents many complex financial phenomena. To increase the prediction accuracy of financial data, a new nonlinear volatility risk prediction algorithm is proposed based on the improved deep learning algorithm.
Wangsong Xie, Stefan Cristian Gherghina
wiley   +1 more source

[Retracted] Prediction of High‐Frequency Economic Data Based on Stochastic Fluctuation Model

open access: yesSecurity and Communication Networks, Volume 2022, Issue 1, 2022., 2022
In order to improve the effect of economic high‐frequency data analysis, this paper combines the stochastic fluctuation model to carry out the forecast analysis of economic high‐frequency data. Moreover, this paper uses the spider web model for data processing and makes a preliminary judgment on the extent to which futures/stock prices lead the spot ...
Xiaoyang Zhang   +3 more
wiley   +1 more source

Financial Uncertainty from a Dual Shock at Global Level–Insights from Kuwait

open access: yesInternational Journal of Financial Studies, 2022
Global stock markets experienced a dual shock in 2020 due to the impact of the global health crisis, parallel to a simultaneous shock derived from the Saudi Arabia and Russia oil price war. The dual shock fueled oil market volatility with lasting effects
Talal A. N. M. S. Alotaibi   +1 more
doaj   +1 more source

DEVELOPING THE HYBRID ARIMA- FIGARCH MODEL FOR TIME SERIES ANALYSIS

open access: yesFUDMA JOURNAL OF SCIENCES, 2023
This study takes into account the newly developed hybrid ARIMA-FIGARCH. We use the daily price index of the S&P 500. The data employed for this study was secondary in nature for all the variables and was obtained from the publications of the Central Bank of Nigeria Bulletin, the National Bureau of Statistics, and the World Bank Statistics Database,
Musa Usman Bawa   +4 more
openaire   +1 more source

Home - About - Disclaimer - Privacy