Return and asymmetric volatility transmissions between main stock market and second-tier stock market: the case of Hong Kong

Conference Publication ResearchOnline@JCU
Nguyen, Trang;Chaiechi, Taha;Eagle, Lynne;Low, David
Abstract

This study aims to investigate the dynamic return and asymmetric volatility transmissions between the main stock market and the Growth Enterprise Market in Hong Kong. Unlike previous studies, this study examines the cross-market transmissions under the joint impacts of volatility breaks, thin trading, and trading volume. A linear state-space AR model with Kalman filter estimation and an augmented bivariate VAR asymmetric BEKK-GARCH model are employed for empirical analysis. The results determine that under the joint impacts of volatility breaks, thin trading, and trading volume, a unidirectional return transmission from the GEM to the main market survives with the diminishing magnitude and significant level. However, the underlying volatility transmission from the GEM to the main market, in essence, is eliminated. This paper aims to be a proof-of-concept to provide sufficient evidence of methodological viability, which can then be used in larger scale research or replicated in new settings.

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Publication Name

2019 Asia-Pacific Conference on Economics and Finance

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ISBN/ISSN

978-981-10-8147-7

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Pages Count

18

Location

Singapore

Publisher

Springer

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Publisher Location

Singapore

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EISSN

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DOI

10.1007/978-981-15-2906-1_3