Results 1 to 10 of about 571,983 (164)

Quantifying Time-Frequency Co-movement Impact of COVID-19 on U.S. and China Stock Market Toward Investor Sentiment Index [PDF]

open access: yesFrontiers in Public Health, 2021
The worldwide spread of COVID-19 dramatically influences the world economic landscape. In this paper, we have quantitatively investigated the time-frequency co-movement impact of COVID-19 on U.S.
Rui Nian   +6 more
doaj   +2 more sources

Network Structures for Asset Return Co-Movement: Evidence From the Chinese Stock Market

open access: yesFrontiers in Physics, 2022
This article focuses on the detailed network structure of the co-movement for asset returns. Based on the Chinese sector indices and Fama-French five factors, we conducted return decomposition and constructed a minimum spanning tree (MST) in terms of the
Huai-Long Shi, Huayi Chen
doaj   +1 more source

Spatial Patterns in the Extreme Dependence of Ozone Pollution between Cities in China’s BTH Region

open access: yesAtmosphere, 2023
Ozone pollution in China has become increasingly severe in recent years. Considering the damage that extreme ozone pollution may cause and the fact that the occurrence of extreme ozone pollution among different locations may be related, this paper uses ...
Lu Deng, Siqi Sheng
doaj   +1 more source

An Alternative Approach to Measure Co-Movement between Two Time Series

open access: yesMathematics, 2020
The study of the dependences between different assets is a classic topic in financial literature. To understand how the movements of one asset affect to others is critical for derivatives pricing, portfolio management, risk control, or trading strategies.
José Pedro Ramos-Requena   +2 more
doaj   +1 more source

Conditional co-movement and dynamic interactions: US and BRIC equity markets [PDF]

open access: yesEkonomski Anali, 2017
The present study attempts to capture conditional or time-varying co-movement and dynamic interactions between the US and BRIC (Brazil, Russia, India, and China) equity markets across the sample period 2004 to 2014 by employing diverse ...
Singh Amanjot, Singh Manjit
doaj   +1 more source

Statistical Arbitrage in Emerging Markets: A Global Test of Efficiency

open access: yesMathematics, 2021
In this paper, we use a statistical arbitrage method in different developed and emerging countries to show that the profitability of the strategy is based on the degree of market efficiency.
Karen Balladares   +3 more
doaj   +1 more source

Volatility Co-Movement in Stock Markets

open access: yesMathematics, 2021
The volatility and log-price collective movements among stocks of a given market are studied in this work using co-movement functions inspired by similar functions in the physics of many-body systems, where the collective motions are a signal of ...
María Nieves López-García   +4 more
doaj   +1 more source

Co-Movements between an Asian Technology Stock Index and Cryptocurrencies during the COVID-19 Pandemic: A Bi-Wavelet Approach

open access: yesEconomies, 2023
This study investigates the co-movement patterns of Asia technology stock indices and cryptocurrencies during the COVID-19 pandemic. The analysis examines Bitcoin and Ethereum, China’s Tech index (XA90), and India’s Tech index (NSEIT) from 2017 to 2021 ...
Arief Rijanto
doaj   +1 more source

Intra-Africa regional trade comovements and shock transmission: A baseline for AfCFTA

open access: yesCogent Economics & Finance, 2023
This paper examines the trade co-movements and shock spillover across four African geographic regions. Specifically, we were motivated by the very low intra-trade activities in Africa, despite increased regionalism to study the possibility of a country’s
Lord Mensah
doaj   +1 more source

Causality and dynamic relationships between exchange rate and stock market indices in BRICS countries: Panel/GMM and ARDL analyses [PDF]

open access: yesJournal of Economics Finance and Administrative Science, 2020
Purpose – This paper aims to investigate simultaneously the causality and the dynamic links between exchange rates and stock market indices. It attempts to identify the short- and long-term effect of the US dollar on major stock market indices of Brazil,
Mourad Mroua, Lotfi Trabelsi
doaj   +1 more source

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