2019冠状病毒病对中东和北非地区股市的影响

Hoda Mansour, Solaiman Hassan, Salwa Abdel Aziz
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引用次数: 0

摘要

本文评估了冠状病毒疫情对中东和北非主要股市指数的短期影响。传染病的影响很重要,它们对世界各地的金融市场产生了直接影响。使用面板数据,我们的研究结果显示,在病毒爆发后,主要受影响国家和地区的股市大幅下跌。与其他国家相比,中东和北非地区的负异常收益更多。进一步的面板数据回归检验通过聚合投资者对潜在收益的悲观预期和对不确定性的恐惧,通过有效渠道支持新冠肺炎死亡病例对股指异常收益的负向影响。研究COVID-19对比特币回报的影响。本文研究了2019年12月31日至2020年5月20日期间中国经济政策不确定性(CEPU)指数对比特币定期回报的影响。本文表明,使用普通最小二乘(OLS)和广义分位数回归(GQR)估计技术,新的CEPU对比特币回报具有积极影响。然而,只有在当前CEPU的较高分位数时,统计上的积极影响才重要。基于此,比特币可以用来对冲中国的政策不确定性,因为不确定性的大幅增加导致比特币的回报更高。Corbet等人于2021年开始监测2019冠状病毒病大流行爆发期间中国金融市场对各种传统金融资产的波动性溢出效应。与传统的长期流感指数相比,研究结果表明,冠状病毒大流行对中国金融市场的影响异常明显和持久。此外,比特币对横向溢出效应产生了重大影响,这是迄今为止的一个新发现。2021年的影响
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The impact of COVID-19 on MENA region stock markets
The short term effect of the coronavirus outbreak on leading MENA stock market indices is assessed in this paper. The effects of infectious disease are important, and they have had a direct impact on financial markets around the world. Using panel data, our findings show that stock markets in major affected countries and areas dropped sharply following the virus outbreak. When compared to other nations, MENA region experienced more negative abnormal returns. Further panel data regression test supports the negative effect of COVID-19 reported death cases on stock indices abnormal returns through an efficient channel by aggregating investors' pessimistic outlook on potential returns and fears of uncertainty. examine the role of COVID-19 on Bitcoin returns. The paper examines the impact of the Chinese Economic Policy Uncertainty (CEPU) index on Bitcoin regular returns between December 31, 2019 to May 20, 2020. The paper shows that the new CEPU has a positive effect on Bitcoin returns using the Ordinary Least Squares (OLS) and Generalized Quantile Regression (GQR) estimation techniques. However, only at the higher quantiles of the current CEPU is the positive effect statistically important. Based on this, Bitcoin can be used to hedge against China's policy uncertainties because large increases in uncertainty result in a higher return in Bitcoin. Corbet et al. 2021 set out to monitor for the presence of volatility spillovers from Chinese financial markets on a wide range of conventional financial assets during the outbreak of the COVID-19 pandemic. When compared to the conventional and long-standing influenza index, the findings show that the coronavirus pandemic has had an unusually pronounced and enduring effect on Chinese financial markets. Furthermore, found to have had a significant impact on lateral spillovers the Bitcoin is a novel finding to date. 2021 impact
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