Market Efficiency of Commercial Bank in Financial Crisis

This study investigates commercial bank market efficiency in financial crisis. We employ a time-varying GARCH model because volatility matters in financial crisis. The empirical results show a significant positive relation between contemporaneous order imbalances and returns in convergence process...

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Main Authors: Han-Ching Huang, Yong-Chern Su, Tze-Yi Lin
Format: Article
Language:English
Published: EconJournals 2016-04-01
Series:International Journal of Economics and Financial Issues
Online Access:http://mail.econjournals.com/index.php/ijefi/article/view/2036
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author Han-Ching Huang
Yong-Chern Su
Tze-Yi Lin
author_facet Han-Ching Huang
Yong-Chern Su
Tze-Yi Lin
author_sort Han-Ching Huang
collection DOAJ
description This study investigates commercial bank market efficiency in financial crisis. We employ a time-varying GARCH model because volatility matters in financial crisis. The empirical results show a significant positive relation between contemporaneous order imbalances and returns in convergence process toward efficiency. A direct linkage between volatility and order imbalances is examined by GARCH model. Surprisingly, a low connection exists between order imbalance and price volatility, implying that market makers are capable of mitigating commercial bank prices volatility in financial crisis. We develop an imbalance based trading strategy but fail to beat the market. A nested causality approach, which examines the dynamic return-order imbalance relationship during the price formation process, confirms the results. Keywords: order imbalance; market efficiency; commercial bank; financial crisis. JEL classification: G01; G14; G21
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spelling doaj.art-2f3397391a20411ea0a33eba28d0a1e82023-02-15T16:07:36ZengEconJournalsInternational Journal of Economics and Financial Issues2146-41382016-04-0162Market Efficiency of Commercial Bank in Financial CrisisHan-Ching Huang0Yong-Chern SuTze-Yi LinChung Yuan Christian University This study investigates commercial bank market efficiency in financial crisis. We employ a time-varying GARCH model because volatility matters in financial crisis. The empirical results show a significant positive relation between contemporaneous order imbalances and returns in convergence process toward efficiency. A direct linkage between volatility and order imbalances is examined by GARCH model. Surprisingly, a low connection exists between order imbalance and price volatility, implying that market makers are capable of mitigating commercial bank prices volatility in financial crisis. We develop an imbalance based trading strategy but fail to beat the market. A nested causality approach, which examines the dynamic return-order imbalance relationship during the price formation process, confirms the results. Keywords: order imbalance; market efficiency; commercial bank; financial crisis. JEL classification: G01; G14; G21 http://mail.econjournals.com/index.php/ijefi/article/view/2036
spellingShingle Han-Ching Huang
Yong-Chern Su
Tze-Yi Lin
Market Efficiency of Commercial Bank in Financial Crisis
International Journal of Economics and Financial Issues
title Market Efficiency of Commercial Bank in Financial Crisis
title_full Market Efficiency of Commercial Bank in Financial Crisis
title_fullStr Market Efficiency of Commercial Bank in Financial Crisis
title_full_unstemmed Market Efficiency of Commercial Bank in Financial Crisis
title_short Market Efficiency of Commercial Bank in Financial Crisis
title_sort market efficiency of commercial bank in financial crisis
url http://mail.econjournals.com/index.php/ijefi/article/view/2036
work_keys_str_mv AT hanchinghuang marketefficiencyofcommercialbankinfinancialcrisis
AT yongchernsu marketefficiencyofcommercialbankinfinancialcrisis
AT tzeyilin marketefficiencyofcommercialbankinfinancialcrisis