Results 81 to 90 of about 11,660 (201)

Risk measurement of global stock markets: a factor copula-based GJR-GARCH approach

open access: yesJournal of Physics: Conference Series, 2019
AbstractFinancial crisis in 2008 caused huge loss and one of the accusations is the misprediction of risk measurement. Considering the important role the stock markets play, and the trend of globalization in economy, we propose forecasting Value at Risk of G20’s (except European Union) stock indexes in three periods, pre-crisis, during crisis and post ...
Quanrui Song   +2 more
openaire   +1 more source

Improvement of Real-GJR Model using Jump Variables on High Frequency Data

open access: yesJTAM (Jurnal Teori dan Aplikasi Matematika)
Volatility is a key indicator in assessing risk when making investment decisions. In the world of financial markets, volatility reflects the degree to which the value of a financial asset fluctuates over a given period. The most common way to measure the future loss potential of an investment is through volatility. Focusing on the Realized GJR (RealGJR)
Didit Budi Nugroho   +5 more
openaire   +2 more sources

An analysis of Ramadan effect by GJR-GARCH model: case of Borsa Istanbul

open access: yesOeconomia Copernicana, 2016
Although there are a lot of studies testing the calendar effect in BIST, there are limited numbers of studies testing the Ramadan effect. In this study, the period of 05 August 1997–24 October 2014 is tested by the GJR-GARCH(1,1) model on the basis of BIST 30, 100, all, second national, sectors and sub-sectors. In some of the models, the dummy variable
K. Batu Tunay, Murat Akbalik
openaire   +2 more sources

How Volatile is ENSO? [PDF]

open access: yes
The El Niños Southern Oscillations (ENSO) is a periodical phenomenon of climatic interannual variability which could be measured through either the Southern Oscillation Index (SOI) or the Sea Surface Temperature (SST) Index.
Chen, C-C., Chu, L.F., McAleer, M.J.
core   +1 more source

Daily Tourist Arrivals, Exchange Rates and Volatility for Korea and Taiwan [PDF]

open access: yes
Both domestic and international tourism are a major source of service export receipts for many countries worldwide, and is also increasingly important in Taiwan. One of the three leading tourism source countries for Taiwan is the Republic of Korea, which
Chia-Lin Chang, Michael McAleer
core   +3 more sources

The impact of economic sentiment on European stock markets

open access: yesEntrepreneurial Business and Economics Review
Objective: This article aims to analyse the impact of sentiment indicators reflecting the condition of major economies on the returns and volatility of European developed, emerging, and frontier stock markets.
Anna Czapkiewicz   +2 more
doaj   +1 more source

Aggregation, Heterogeneous Autoregression and Volatility of Daily International Tourist Arrivals and Exchange Rates [PDF]

open access: yes
Tourism is a major source of service receipts for many countries, including Taiwan. The two leading tourism countries for Taiwan, comprising a high proportion of world tourist arrivals to Taiwan, are Japan and USA, which are sources of short and long ...
Chang, C-L., McAleer, M.J.
core   +1 more source

On Extensions of Superconformal Algebras

open access: yes, 2005
Starting from vector fields that preserve a differential form on a Riemann sphere with Grassmann variables, one can construct a Superconformal Algebra by considering central extensions of the algebra of vector fields.
Flohr M., Jasbir Nagi, Nelson P.
core   +3 more sources

The Volatility Forecasting of Tehran& International Stock Exchanges [PDF]

open access: yesمطالعات تجربی حسابداری مالی, 2008
Stock prices are one of the most volatile economic variables and forecasting stock prices and their returns has proved very challenging, if not impossible.
H. Khaleghi Moghadam   +2 more
doaj  

An Empirical Evaluation of GARCH Models in Value-at-Risk Estimation: Evidence from the Macedonian Stock Exchange

open access: yesBusiness Systems Research, 2013
Background: In light of the latest global financial crisis and the ongoing sovereign debt crisis, accurate measuring of market losses has become a very current issue. One of the most popular risk measures is Value-at-Risk (VaR). Objectives: Our paper has
Bucevska Vesna
doaj   +1 more source

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