Journals / BDDK Bankacılık ve Finansal Piyasalar Dergisi / 2012 / Cilt: 6 - Sayı: 2

Financial crises contagion: Analysis of the crise contagion on the conditional volatility of ISE

Küresel krizlerin bulaşıcılığı: İMKB koşulu değişkenliği üzerinde krizlerin bulaşma etkisinin analizi

Pages
185–223
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

But the contagion is seen in the second 1 year period (14th September 2009-7th September 2010) The evidence shows that, during the crises periods, ISE and other indexes except RTS have asymmetric reactions to the information In these periods, bad news create higher impacts on conditional variance than good news On the other hand new information have consistent effects on conditional variances in all crise periods and in all indices.

📌 3 Key Takeaways

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Objective & Hypothesis:In this research we analysed the contagion of 4 major global crises that are ocurred after 1990 on ISE conditional variance by using ARMA-EGARCH models The evidence shows that Mexico, Southeast Asia and Russia crises have statistically significant effects on ISE conditional variance, so they are contaminated to ISE.
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Key Findings & Data:On the other hand we could not reach an evidence of contagion towards Dow Jones Composite Index to ISE-100 Index during the first 1 year period of the last global crises that is assumed to be started in 11th September 2008.
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Conclusion & Impact:But the contagion is seen in the second 1 year period (14th September 2009-7th September 2010) The evidence shows that, during the crises periods, ISE and other indexes except RTS have asymmetric reactions to the information In these periods, bad news create higher impacts on conditional variance than good news On the other hand new information have consistent effects on conditional variances in all crise periods and in all indices.
🔬Design:Modeling & Simulation
📍Scope:2008 Verileri
⚙️Variables:Domain Parameters

Abstract

In this research we analysed the contagion of 4 major global crises that are ocurred after 1990 on ISE conditional variance by using ARMA-EGARCH models The evidence shows that Mexico, Southeast Asia and Russia crises have statistically significant effects on ISE conditional variance, so they are contaminated to ISE. On the other hand we could not reach an evidence of contagion towards Dow Jones Composite Index to ISE-100 Index during the first 1 year period of the last global crises that is assumed to be started in 11th September 2008. But the contagion is seen in the second 1 year period (14th September 2009-7th September 2010) The evidence shows that, during the crises periods, ISE and other indexes except RTS have asymmetric reactions to the information In these periods, bad news create higher impacts on conditional variance than good news On the other hand new information have consistent effects on conditional variances in all crise periods and in all indices.

Özet

Bu çalışmada ARMA-EGARCH modelleri kullanılarak 1990 yılı sonrası gerçekleşen başlıca 4 küresel krizin İMKB koşullu değişkenliği üzerinde yarattığı bulaşıcılık etkisi incelenmiştir Elde edilen bulgular Meksika, Güneydoğu Asya ve Rusya krizlerinin İMKB-100 endeksi koşullu değişkenliği üzerinde istatistiksel olarak anlamlı etkilere yol açtığı, dolayısıyla bu krizlerin bulaştığı yönündedir Diğer yandan yaşanmakta olan son finansal krizin başladığı varsayılan 11 09 2008 tarihinden itibaren ilk bir yıllık donemde Dow Jones Bileşik endeksinden İMKB-100 endeksi koşullu değişkenliği yönüne bir bulaşıcılık etkisine rastlanılmamıştır Ancak bu etki, krizin başlamasının ardındaki ikinci bir yıllık dönem olan 14 09 2009-07 09.2010 döneminde kedisini göstermektedir Elde edilen bulgulara göre kriz dönemlerinde RTS endeksi hariç İMKB ve diğer piyasalarda koşullu değişkenliğin piyasaya giren bilgiye karşı asimetrik reaksiyon gösterdiği, olumsuz haberlerin değişkenlik üzerinde yarattığı etkinin olumlu haberlere gore daha yüksek olduğu görülmüştür. Diğer yandan tüm kriz dönemlerinde ve tüm endekslerde piyasaya giren bilginin belirli bir sure kalıcı etkisinin var olduğuna dair delillere ulaşılmıştır.

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Cite This Article

ÇETİNKAYA, E., ALTAY, E. (2012). Financial crises contagion: Analysis of the crise contagion on the conditional volatility of ISE. BDDK Bankacılık ve Finansal Piyasalar Dergisi, Cilt: 6 - Sayı: 2, 185–223. https://ajindex.com/articles/145759

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