Results 71 to 80 of about 2,268 (179)

Forecasting the conditional volatility of oil spot and futures prices with structural breaks and long memory models [PDF]

open access: yes
This paper investigates whether structural breaks and long memory are relevant features in modeling and forecasting the conditional volatility of oil spot and futures prices using three GARCH-type models, i.e., linear GARCH, GARCH with structural breaks ...
Amine Lahiani   +2 more
core  

A hybrid ExpAR-FIGARCH-ANN model for time series forecasting

open access: yesJournal of Statistical Sciences and Computational Intelligence
Financial time series forecast is challenging due to nonlinear mean dynamics, volatility clustering, and long-memory effects. Traditional hybrid models such as Autoregressive Integrated Moving Average – Generalised Autoregressive Conditional Heteroscedasticity (ARIMA–GARCH) and Fractional Generalised Integrated Autoregressive Conditional ...
Abba Bello Muhammad   +5 more
openaire   +1 more source

Fractional Integration in Corporate Social Responsibility Indices: A FIGARCH and HYGARCH Approach

open access: yesAsian Economic and Financial Review, 2019
This research focuses on studying the return and volatility of CSR indices. Four models namely ARFIMA, ARFIMA-GARCH, ARFIMA-FIGARCH and ARFIMA-HYGARCH were applied to investigate the long-memory process in these indices. This paper provides investors with knowledge of CSR indices’ time-series data structure, and identifies the most suitable model for ...
Quynh-Trang Nguyen   +3 more
openaire   +1 more source

Forecasting Corn Futures Volatility in the Presence of Long Memory, Seasonality and Structural Change [PDF]

open access: yes
Price volatility in the corn market has changed considerably globalization and stronger linkages to the energy complex. Using data from January 1989 through December 2009, we estimate and forecast the volatility in the corn market using futures daily ...
Garcia, Philip, Wang, Xiaoyang
core   +1 more source

Effects of Financial Crises on the Long Memory Volatility Dependency of Foreign Exchange Rates: the Asian Crisis vs. the Global Crisis

open access: yesEast Asian Economic Review, 2014
This paper examines the effects of financial crises on the long memory volatility dependency of daily exchange returns focusing on the Asian crisis in 97-98 and the Global crisis in 08-09.
Young Wook Han
doaj   +1 more source

Symmetric and asymmetric GARCH estimations of the impact of oil price uncertainty on output growth: evidence from the G7. [PDF]

open access: yesLett Spat Resour Sci, 2023
Alao RO   +5 more
europepmc   +1 more source

Long Memory Persistence in the Factor of Implied Volatility Dynamics [PDF]

open access: yes
The volatility implied by observed market prices as a function of the strike and time to maturity form an Implied Volatility Surface (IV S). Practical applications require reducing the dimension and characterize its dynamics through a small number of ...
Julius Mungo, Wolfgang Härdle
core  

FIGARCH Processes: Estimation on volatility in exchange rates of Per´u

open access: yesPesquimat, 2019
This research presents a theoretical review of the structure and applica-tion of long memory nature models that combine characteristics of the fractionally integrated processes with the classic GARCH models, thus obtaining the autoregres-sive models with fractionally integrated conditioned heterocedasticity (FIGARCH) which Through the cumulative ...
Briones Zúñiga, José Luis   +1 more
openaire   +1 more source

Volatility Modeling and Spillover: The Turkish and Russian Stock Markets

open access: yesIstanbul Business Research
This study investigates the internal and external (spillover) characteristics of the volatility of the Turkish and Russian stock market indices. To this end, generalized autoregressive conditional heteroskedasticity models that are classified as short ...
Ahmet Galip Gençyürek
doaj   +1 more source

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