Results 21 to 30 of about 2,617 (208)

Fractional differencing in stock market price and online presence of global tourist corporations [PDF]

open access: yesJournal of Economics Finance and Administrative Science, 2019
Purpose - This work aims to explore the behavior of stock market prices according to the autoregressive fractional differencing integrated moving average model.
Francisco Flores-Muñoz   +2 more
doaj   +1 more source

Predicting BRICS stock returns using ARFIMA models [PDF]

open access: yes, 2014
This article examines the existence of long memory in daily stock market returns from Brazil, Russia, India, China and South Africa (BRICS) countries and also attempts to shed light on the efficacy of autoregressive fractionally integrated moving average
Kilimani, Nicholas   +5 more
core   +1 more source

تحسين التنبؤ باستخدام الجمع بين نماذج ARFIMA و GARCH (دراسة تطبيقية) Improving Forecasting Using a Combination of ARFIMA and GARCH Models ( An Applied Study). [PDF]

open access: yesالمجلة العلمية للدراسات والبحوث المالية والتجارية
تهدف هذه الدراسة إلى بناء نموذج هجين يجمع بين نماذج ARFIMA و GARCH لتوقع أسعار الذهب الشهرية خلال الفترة من 2010 إلى 2025، نظرًا لما تتسم به هذه السلسلة من تقلبات وتعقيد، أظهرت اختبارات ADF وPP   أن السلسلة غير ساكنة، كما أكدت تحليلات الذاكرة الطويلة مثل
فاطمة الزهراء ابراهيم ابراهيم اللاوندي   +2 more
doaj   +1 more source

PENERAPAN MODEL ARFIMA-FIAPARCH UNTUK PERAMALAN HARGA SAHAM (Studi Kasus Harga Saham PT Bank Rakyat Indonesia Tbk.) [PDF]

open access: yes, 2021
Berinvestasi saham dihadapkan dengan risiko tinggi karena harga saham yang cenderung fluktuatif menyebabkan adanya ketidakkonsistenan pada volatilitas dan heteroskedastisitas pada data.
Delyana Meilawati Krismonia, -
core  

Використання мови R для ідентифікації параметрів ARFIMA-моделі [PDF]

open access: yes, 2016
This work is devoted to the identification of the parameters of ARFIMA(p,d,q) time series model. The algorithm of the parameters estimation using R programming language functions from fracdiff and forecast packages is discussed in ...
Рабик, Василь Григорович   +2 more
core   +6 more sources

SMALL-SAMPLE LIKELIHOOD-BASED INFERENCE IN THE ARFIMA MODEL [PDF]

open access: yesEconometric Theory, 2000
The autoregressive fractionally integrated moving average (ARFIMA) model has become a popular approach for analyzing time series that exhibit long-range dependence. For the Gaussian case, there have been substantial advances in the area of likelihood-based inference, including development of the asymptotic properties of the maximum likelihood ...
Offer Lieberman   +2 more
openaire   +4 more sources

A Forecasting Model for Japan's Unemployment Rate [PDF]

open access: yesEurasian Journal of Business and Economics, 2010
This note aims to achieve a parsimonious fractionally-integrated autoregressive and moving average (ARFIMA) model for recent time series data of Japan's unemployment rate. A brief review of the ARFIMA model is provided, leading to econometric modeling of
Takamitsu KURITA
doaj  

L’estimation des modeles arfima avecerreurs garch du cours du Dow Jones [PDF]

open access: yes, 2019
Cet article a pour objet d’analyser les propriétés de mémoire longue à travers des modèles ARFIMA avec erreurs GARCH, notée Arfima-GARCH. Nous avons étudié les rendements journaliers du Dow Jones du 12/03/2007 au 10/03/2017 (n = 2610) et testé le type de
Retia, Mohamed, Gaidi, Khemissi
core   +1 more source

Inflation Dynamics in the ABC (Argentina, Brazil and Chile) countries

open access: yesEnsayos de Política Económica, 2020
Este trabajo evalúa la inercia y persistencia de la inflación y sus componentes para Argentina (dos períodos), Brasil y Chile utilizando modelos estacionales y fraccionalmente integrados autorregresivo de promedios móviles (modelo S-ARFIMA).
Fernando Zarzosa Valdivia
doaj   +1 more source

Evaluating the Effectiveness of GARCH Models in the Estimation of Systematic Risk in listed companies of the Tehran Stock Exchange [PDF]

open access: yesJournal of Asset Management and Financing, 2020
The stock market of each country, in addition to reflecting its economic structure, is considered as an important source of capital Circulation of that country.
nemat rastgoo, Hossein panahian
doaj   +1 more source

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