نتایج جستجو برای: spillover effects and multivariate garch models
تعداد نتایج: 17141539 فیلتر نتایج به سال:
GARCH model has gained popularity during the last two decades, because of their ability to capture non-linear dynamics in the real life data which we often observe especially in financial markets. This paper discuss four common information criteria (AIC, AICc, BIC and HQ) and their ability of correct selection in the presence of GARCH effect, based on their probability of correct selection as a...
Time varying correlations are often estimated with Multivariate Garch models that are linear in squares and cross products of returns. A new class of multivariate models called dynamic conditional correlation (DCC) models is proposed. These have the flexibility of univariate GARCH models coupled with parsimonious parametric models for the correlations. They are not linear but can often be estim...
This study investigates the intraday price and volatility spillover effect between the Japanese market and the Korean market, using a VAR-asymmetric BEKK GARCH model. In particular, the study considers three high-frequency (10-min, 30-min, and 1-hour) intraday datasets of TOPIX and KOSPI200 markets. The empirical results indicate a bi-directional price spillover effect in the 10-min intervals, ...
This paper stresses the importance of assessing the risk-return trade-off faced by environmental industries in financial markets. One of the most widely-used theoretical models in finance is the conditional CAPM, which describes the conditional risk-return tradeoff in financial markets, whereby both the conditional mean return and conditional beta risk are allowed to vary over time. This paper ...
Time varying correlations are often estimated with multivariate generalized autoregressive conditional heteroskedasticity (GARCH) models that are linear in squares and cross products of the data. A new class of multivariate models called dynamic conditional correlation models is proposed. These have the exibility of univariate GARCH models coupled with parsimonious parametric models for the c...
نوسانات قیمت نفت به عنوان یک متغیر برونزای قدرتمند، بسیاری از متغیرهای اقتصاد، از جمله شاخص قیمت سهام را میتواند تحتتأثیر قرار دهد. در این راستا، مطالعه حاضر در تلاش است با استفاده از مدلهای گارچ چند متغیره شامل مدل بابا، انگل، کرونر و کرافت (GARCH-BEKK) بر پایه روش موجک، اثرات سرریز بین بازارهای نفت و بورس اوراق بهادار تهران را به تفکیک دوران قبل از تحریم، بعد از تحریم و بعد از برجام به صو...
agricultural activities are risky activities. in these activities, various natural, social and economic risks have created fragile and vulnerable situation for producers. price risk in agricultural products has caused financial problems for many producers and farmers. to deal with these price risks and price fluctuations, there are varieties of tools. this paper focused on futures markets instr...
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