Complexity testing techniques for time series data: A comprehensive literature review

L Tang, H Lv, F Yang, L Yu - Chaos, Solitons & Fractals, 2015 - Elsevier
Complexity may be one of the most important measurements for analysing time series data;
it covers or is at least closely related to different data characteristics within nonlinear system …

A new forecasting model with wrapper-based feature selection approach using multi-objective optimization technique for chaotic crude oil time series

S Karasu, A Altan, S Bekiros, W Ahmad - Energy, 2020 - Elsevier
Forecasting the future price of crude oil, which has an important role in the global economy,
is considered as a hot matter for both investment companies and governments. However …

Impact of COVID-19 outbreak on asymmetric multifractality of gold and oil prices

W Mensi, A Sensoy, XV Vo, SH Kang - Resources Policy, 2020 - Elsevier
This paper examines the impacts of COVID-19 on the multifractality of gold and oil prices
based on upward and downward trends. We apply the Asymmetric Multifractal Detrended …

What are the categories of geopolitical risks that could drive oil prices higher? Acts or threats?

J Bouoiyour, R Selmi, S Hammoudeh, ME Wohar - Energy Economics, 2019 - Elsevier
This study characterizes the oil market as a nonlinear-switching phenomenon and examines
its dynamics in response to changes in geopolitical risks over low-and high-risk scenarios …

Oil price shocks, economic policy uncertainty and industry stock returns in China: Asymmetric effects with quantile regression

W You, Y Guo, H Zhu, Y Tang - Energy Economics, 2017 - Elsevier
This paper investigates the impact of crude oil shocks and China's economic policy
uncertainty on stock returns at different locations on the return distributions. Based on …

Oil price volatility and macroeconomic fundamentals: A regime switching GARCH-MIDAS model

Z Pan, Y Wang, C Wu, L Yin - Journal of Empirical Finance, 2017 - Elsevier
We introduce a regime switching GARCH-MIDAS model to investigate the relationships
between oil price volatility and its macroeconomic fundamentals. Our model takes into …

The dynamics of market efficiency of major cryptocurrencies

F Aslam, BA Memon, AI Hunjra, E Bouri - Global Finance Journal, 2023 - Elsevier
The exponential growth of Fintech innovation has increased the interest in cryptocurrency
market informational efficiency given that cryptocurrencies and their underlying blockchain …

[HTML][HTML] Implications of clean energy, oil and emissions pricing for the GCC energy sector stock

MA Alkathery, K Chaudhuri, MA Nasir - Energy Economics, 2022 - Elsevier
In this study, we analyse the implications of clean energy, oil and emission prices for the
energy sector stock in the GCC region. In so doing, we estimate one-day-ahead value at risk …

Forecasting volatility of crude oil markets

SH Kang, SM Kang, SM Yoon - Energy Economics, 2009 - Elsevier
This article investigates the efficacy of a volatility model for three crude oil markets—Brent,
Dubai, and West Texas Intermediate (WTI)—with regard to its ability to forecast and identify …

Long-term forecast of energy commodities price using machine learning

GP Herrera, M Constantino, BM Tabak, H Pistori, JJ Su… - Energy, 2019 - Elsevier
We compare the long-horizon forecast performance of traditional econometric models with
machine learning methods (Neural Networks and Random Forests) for the main energy …