Results 21 to 30 of about 4,943 (215)

Forecasting energy futures volatility based on the unbiased extreme value volatility estimator

open access: yesIIMB Management Review, 2017
This paper uses the opening, high, low, and closing prices of five energy futures to estimate and model volatility based on the unbiased extreme value volatility estimator (the Add RS estimator).
Dilip Kumar
doaj   +1 more source

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  

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

Growth enterprise market in Hong Kong: Efficiency evolution and long memory in return and volatility [PDF]

open access: yesJournal of Asian Business and Economic Studies, 2020
Purpose – Growth enterprise market (GEM) in Hong Kong is acknowledged as one of the world’s most successful examples of small and medium enterprise (SME) stock market.
Trang Nguyen   +3 more
doaj   +1 more source

FORECASTING THE UNEMPLOYMENT RATE IN MALAYSIA DURING COVID-19 PANDEMIC USING ARIMA AND ARFIMA MODELS

open access: yesMalaysian Journal of Computing, 2022
The unemployment issue is one of the most common problems faced by many countries around the world. The unemployment rates in developed countries often fluctuate throughout time.
Nur Afiqah Ismail   +2 more
doaj   +1 more source

Time-varying persistence in US inflation [PDF]

open access: yes, 2016
The persistence property of inflation is an important issue not only for economists, but especially for central banks, given that the degree of inflation persistence determines the extent to which central banks can control inflation. Further, not only is
Caporin, Massimiliano, Gupta, Rangan
core   +2 more sources

ARFIMA Model for Short Term Forecasting of New Death Cases COVID-19 [PDF]

open access: yesE3S Web of Conferences, 2020
COVID-19 is an infectious disease that can spread from one person to another and has a high potential for death. The infection of COVID-19 is spreading massive and fast that causes the extreme fluctuating data spread and long memory effects.
Kartikasari Puspita   +2 more
doaj   +1 more source

Analisis Kejadian Gempa Bumi Tektonik di Wilayah Pulau Sumatera

open access: yesJurnal Matematika, 2016
The purpose of this study to get an overview of the earthquakes in Sumatra. The method used is descriptive statistics and models Autoregressive Fractionally Integrated Moving Average (ARFIMA). The result from analysis data yielded a mathematical model to
Jose Rizal   +3 more
doaj   +1 more source

Forecasting long range dependent time series with exogenous variable using ARFIMAX model

open access: yesThe Indian Journal of Agricultural Sciences, 2020
Time series analysis and forecasting is one of the challenging issues of statistical modelling. Modelling of price and forecasting is a vital matter of concern for both the farming community and policy makers, especially in agriculture.
Krishna Pada Sarkar   +6 more
doaj   +1 more source

PERAMALAN NILAI EKSPOR MIGAS DENGAN MENERAPKAN MODEL AUTOREGREGRESSIVE FRACTIONALLY INTEGRATED MOVING AVERAGE (ARFIMA)

open access: yesJurnal Lebesgue
Indonesia, a nation in Southeast Asia, has a wealth of natural resources that could serve as the basis for future economic growth. Increased exports of natural resources are crucial for market expansion, job creation, foreign exchange gains, and economic
Putri Hazizah Rahwani   +2 more
doaj   +1 more source

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