医疗保健行业与伊斯兰工业之间的动态依赖关系:COVID-19 封锁之前、期间和之后的证据

IF 3.3 Q1 BUSINESS, FINANCE
Sana Braiek, Houda Ben Said
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引用次数: 0

摘要

目的本研究旨在实证探索和比较 COVID-19 大流行之前、期间和之后医疗保健行业与伊斯兰行业之间的动态依赖关系。所使用的数据是所选市场从 2017 年 2 月到 2023 年 10 月的日频价格序列。实证结果发现,有强有力的证据表明 COVID-19 大流行对所研究指数的依赖结构有重大影响:各行业之间的共同运动是确定的。作者还指出,在应对 COVID-19 危机的过程中,医疗保健行业产生了新的依赖结构。通过专门研究伊斯兰行业,本研究揭示了该行业的适应能力、挑战和机遇,为更广泛地讨论大流行病对经济和行业的影响提供了新的视角。此外,本文还进行了全面的时间分析,研究了 COVID-19 封锁之前、期间和之后的动态。这种方法有助于了解医疗保健行业与伊斯兰行业之间的关系是如何随着时间的推移而演变的,同时考虑到短期干扰和长期影响。通过考虑大流行前的背景,本文采用了纵向视角,从而能够更深入地了解历史趋势、结构性因素和制度框架如何塑造医疗保健行业与伊斯兰行业之间的相互作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Dynamic dependency between health-care sector and Islamic industry: before, during and after COVID-19 lockdown evidences

Purpose

This study aims to empirically explore and compare the dynamic dependency between health-care sector and Islamic industries before, during and after the COVID-19 pandemic.

Design/methodology/approach

Time-varying student-t copula is used for before, during and after COVID-19 periods. The data used are the daily frequency price series of the selected markets from February 2017 to October 2023.

Findings

Empirical results found strong evidence of significant impact of the COVID-19 pandemic on the dependence structure of the studied indexes: Co-movements between various sectors are certain. The authors assist also in the birth of new dependence structure with the health-care industry in response to the COVID-19 crisis. This reflects the contagion occurrence from the health-care sector to other sectors.

Originality/value

By specifically examining the Islamic industry, this study sheds light on the resilience, challenges and opportunities within this sector, contributing novel perspectives to the broader discourse on pandemic-related impacts on economies and industries. Also, this paper conducts a comprehensive temporal analysis, examining the dynamics before, during and after the COVID-19 lockdown. Such approach enables an understanding of how the relationship between the health-care sector and the Islamic industry evolves over time, accounting for both short-term disruptions and long-term effects. By considering the pre-pandemic context, the paper adopts a longitudinal perspective, enabling a deeper understanding of how historical trends, structural factors and institutional frameworks shape the interplay between the health-care sector and the Islamic industry.

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来源期刊
CiteScore
5.80
自引率
16.00%
发文量
65
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