公司 COVID-19 信息披露与股价波动:来自埃及的证据

IF 3.3 Q1 BUSINESS, FINANCE
Mohsen Anwar Abdelghaffar Saleh, Dejun Wu
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引用次数: 0

摘要

本文旨在研究埃及企业 COVID-19 信息披露(COVID_DISC)与股价波动性(SPV)之间的关系。设计/方法/途径作者使用手动内容分析法来衡量年报叙述部分中的企业 COVID-19 信息披露。作者使用普通最小二乘法(OLS)回归法,利用 2020 年至 2022 年 COVID-19 大流行期间埃及上市企业的独特数据,研究了企业 COVID-19 信息披露对股价波动的影响。研究结果表明,企业 COVID-19 信息披露对股价波动性有显著的负面影响,表明 COVID-19 信息披露降低了股价波动性。此外,研究结果还证实,COVID-19 信息披露为投资者提供了价值相关信息,这与埃及金融监管局(EFSA)呼吁提供更多有关 COVID-19 流行病信息的动机是一致的。此外,研究结果还为投资者提供了宝贵的见解,帮助他们更好地了解 COVID-19 危机期间的商业环境。原创性/价值据作者所知,这是埃及第一份研究企业 COVID-19 信息披露与股票价格波动之间关系的经验证据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Corporate COVID-19 disclosure and stock price volatility: evidence from Egypt

Purpose

This paper aims to examine the relationship between corporate COVID-19 disclosure (COVID_DISC) and stock price volatility (SPV) in Egypt.

Design/methodology/approach

The authors used the manual content analysis method to measure corporate COVID-19 disclosure in the narrative sections of annual reports. The authors use ordinary least squares (OLS) regression to examine the impact of corporate COVID-19 disclosure on stock price volatility using unique data from Egyptian-listed firms during COVID-19 pandemic over the period of 2020 to 2022. Propensity score matching method was adopted to mitigate the potential endogeneity issue.

Findings

This study reveals that corporate COVID-19 disclosure has a significant negative impact on stock price volatility, suggesting COVID-19 disclosure reduces stock price volatility. In addition, the results confirm that COVID-19 disclosure offers value relevant information to investors, which is consistent with the Egyptian Financial Supervisory Authority’s (EFSA) motivation in calling for more information on COVID-19 pandemic.

Practical implications

The findings of this study can help corporate managers and EFSA in enhancing corporate disclosure and transparency during future financial crises. Moreover, the findings offer valuable insights to investors, helping them gain a better understanding of the business environment during COVID-19 crisis.

Originality/value

To the best of the authors’ knowledge, this is the first Egyptian empirical evidence that examines the relationship between corporate COVID-19 disclosure and stock price volatility.

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CiteScore
5.80
自引率
16.00%
发文量
65
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