咨询客服 咨询客服

The dynamic behavior of evolving efficiency: Evidence from the UAE stock markets

Abstract:
Abstract The study examines the dynamic behavior of evolving efficiency in the United Arab Emirates (UAE) stock markets (i.e. the Dubai Financial Market (DFM) and the Abu Dhabi Stock Exchange (ADSE)) within four subsamples representing four key timeframes: prior to the 2008 global financial crisis (GFC), during the GFC, the Arab uprising crisis (AUC) and the 2014 oil prices crisis (OPC). On the empirical level, the modified logperiodogram (MLP) fractional differencing semi-parametric method is used to measure evolving efficiency. We find that the DFM and ADSE exhibit evidence of evolving efficiency. Both markets are found to be generally inefficient with a trend of improvement towards the weak-form of efficiency. This suggests that stock prices are predictable and possible arbitrage opportunities are present. The study also finds that the evolving efficiency process is: i) time-variant; and ii) exhibits evidence of conditional volatility and volatility persistence. However, we find no evidence of a leverage effect and asymmetric long memory volatility. These findings hold in the full sample and across all subsamples. Finally, we find that the long memory volatility model, in particular FIAPARCH, outperform the GARCH models in long-term, out-of-sample forecasting performance. The study also suggests that shocks resulting from crises do not provide stronger evidence for the dynamic behaviors of evolving efficiency. Our findings are among the foremost criteria for making investment decisions, and can reliably serve the needs of investors in their capital budgeting in order to ideally allocate their investment funds.
Author Listing: Mohammad Al-Shboul;Nizar Mohammad Alsharari
Volume: 73
Pages: 119-135
DOI: 10.1016/J.QREF.2018.05.007
Language: English
Journal: The Quarterly Review of Economics and Finance

QUARTERLY REVIEW OF ECONOMICS AND FINANCE

Q REV ECON FINANC

影响因子:3.1
是否综述期刊:否
是否OA:否
是否预警:不在预警名单内
发行时间:-
ISSN:1062-9769
发刊频率:-
收录数据库:Scopus收录
出版国家/地区:-
出版社:Elsevier

期刊介绍

年发文量 108
国人发稿量 28
国人发文占比 25.5%
自引率 3.2%
平均录取率 -
平均审稿周期 -
版面费 US$1940
偏重研究方向 ECONOMICS-
期刊官网 -
投稿链接 -

质量指标占比

研究类文章占比 OA被引用占比 撤稿占比 出版后修正文章占比
99.07% 13.13% 0.00% 0.00%

相关指数

影响因子
影响因子
年发文量
自引率
Cite Score

预警情况

时间 预警情况
2025年03月发布的2025版 不在预警名单中
2024年02月发布的2024版 不在预警名单中
2023年01月发布的2023版 不在预警名单中
2021年12月发布的2021版 不在预警名单中
2020年12月发布的2020版 不在预警名单中

JCR分区 WOS分区等级:Q1区

版本 按学科 分区
WOS期刊SCI分区
(2021-2022年最新版)
ECONOMICS Q1

中科院分区

版本 大类学科 小类学科 Top期刊 综述期刊
经济学
2区
ECONOMICS
经济学
2区
2021年12月
升级版
经济学
3区
ECONOMICS
经济学
3区
2022年12月
最新升级版
经济学
3区
ECONOMICS
经济学
3区