Results 1 to 10 of about 2,269 (199)

Modelling time-varying volatility using GARCH models: evidence from the Indian stock market [version 2; peer review: 2 approved] [PDF]

open access: yesF1000Research, 2022
Background: In this study, we examined the volatility of the Indian stock market from 2008 to 2021. Owing to the financial crisis, volatility forecasting of the Indian stock market has become crucial for economic and financial analysts.
Tarunpreet Kaur   +3 more
doaj   +2 more sources

Is Bitcoin’s Carbon Footprint Persistent? Multifractal Evidence and Policy Implications [PDF]

open access: yesEntropy, 2022
The Bitcoin mining process is energy intensive, which can hamper the much-desired ecological balance. Given that the persistence of high levels of energy consumption of Bitcoin could have permanent policy implications, we examine the presence of long ...
Bikramaditya Ghosh, Elie Bouri
doaj   +2 more sources

Investigating Volatility Dynamics of the Portugal Stock Market using FIGARCH Models [PDF]

open access: yesAnnals of Dunarea de Jos University. Fascicle I : Economics and Applied Informatics, 2023
The act of modeling and forecasting stock market volatility has become essential to risk management practice; it has become one of the most prevalent subjects in financial econometrics and has been mainly and continuously used in the valuation of ...
Santosh KUMAR   +4 more
doaj   +2 more sources

Equilibrium bifurcation and extreme risk in the EU carbon futures market [PDF]

open access: yesHeliyon
Considering the long-term memory and volatility clustering of the European Union (EU) Carbon Emission Allowances (EUA) futures returns, based on the economy–energy–environment system perspective and the assumption of investors' heterogeneity, this study ...
Junlong Mi   +3 more
doaj   +2 more sources

Modeling Markov Switching ARMA-GARCH Neural Networks Models and an Application to Forecasting Stock Returns [PDF]

open access: yesThe Scientific World Journal, 2014
The study has two aims. The first aim is to propose a family of nonlinear GARCH models that incorporate fractional integration and asymmetric power properties to MS-GARCH processes.
Melike Bildirici, Özgür Ersin
doaj   +2 more sources

Quantification of the stock market value at risk by using FIAPARCH, HYGARCH and FIGARCH models

open access: yesData Science in Finance and Economics, 2023
The South African financial market is developing with periods of high and low volatility. Employing an adequate volatility model is essential to manage market risk.
Moses Khumalo   +2 more
doaj   +1 more source

Varyansta Yapısal Kırılmalar ile Uzun Hafıza Varlığının Analizi: İskandinav Ülkelerinin Borsalarına Uygulanması

open access: yesİzmir İktisat Dergisi, 2023
Hisse senedi piyaysasında fiyat oluşurken menkul kıymete ilişkin tüm bilgiler, fiyat oluşumunu etkilemektedir. Hisse senedi piyasalarında uzun hafızanın varlığı, ilgili piyasaların zayıf formda etkin olmadığını göstermektedir. Bu çalışmada, 01/09/2008-30/
Savaş Tarkun
doaj   +1 more source

Asymmetric long memory garch: a reply to hwang's model [PDF]

open access: yes, 2003
Hwang (Econom. Lett. 71 (2001) 1) proposes the FIFGARCH model to represent long memory asymmetric conditional variances. However, the model is badly specified and does not nest some fractionally integrated heteroskedastic models previously proposed.
Pérez, Ana, Ruiz, Esther
core   +5 more sources

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

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

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