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新冠疫情对数字公司股票回报的影响:动态数据分析

COVID-19 impact on digital companies' stock return: A dynamic data analysis.

作者信息

Ben-Ahmed Kais, Ayadi Imen, Hamad Salah Ben

机构信息

Department of Finance, College of Business, University of Jeddah, Saudi Arabia.

Higher Institute of Management, ISG, University of Sousse, Tunisia.

出版信息

Financ Res Lett. 2022 May;46:102340. doi: 10.1016/j.frl.2021.102340. Epub 2021 Jul 20.

Abstract

The coronavirus crisis impact on the digital sector is undoubtedly an important issue that deserves to be studied. Researchers mostly focused on specific sectors such as tourism, healthcare sector, or the economy. This paper used a dynamic panel model to examine the COVID-19 crisis impact on the digital companiesfl stock return. The findings indicate that both of the monthly growth in total infected cases and total death cases caused by COVID-19 have significant positive effects on stock returns across digital companies. This novel results contradicts previous research findings and highlights that this crisis is slowing down all the economic sectors.

摘要

冠状病毒危机对数字领域的影响无疑是一个值得研究的重要问题。研究人员大多关注旅游、医疗保健部门或经济等特定领域。本文使用动态面板模型来检验新冠疫情危机对数字公司股票回报的影响。研究结果表明,新冠疫情导致的每月感染病例总数和死亡病例总数的增长对数字公司的股票回报均有显著的正向影响。这一新颖的结果与先前的研究发现相矛盾,并凸显出这场危机正在使所有经济部门放缓发展。

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