Laboratoire de recherche en Économie et Gestion (LR18ES27), Faculté des Sciences Economiques et de Gestion de Sfax, Sfax, Tunisia.
Institute of Sustainable Business and Organizations, Confluence: Sciences et Humanités-UCLy, ESDES, 10 place des archives, 69002 Lyon, France.
Public Health. 2021 Sep;198:177-179. doi: 10.1016/j.puhe.2021.07.026. Epub 2021 Jul 29.
COVID-19 is the most devastating pandemic that affected humanity and the world economy. This paper aimed to study the time-varying connectedness between the COVID-19 vaccination, infection rate (INFR), and the case fatality ratio (CFR) in the United States and the stock market returns.
We used COVID-19 daily confirmed number of infections, deaths, and vaccinations and the daily US stock market index return.
A wavelet coherence approach was used to assess the co-movement of the US stock market with the COVID-19 vaccination, INFR, and the CFR.
The COVID-19 vaccination, INFR, and CFR have a positive and significant influence on S&P 500 returns at the majority of business cycle frequencies with an in-phase relation.
The wavelet coherence analysis uncovers strong and significant connectedness between COVID-19 vaccination rate and S&P 500 return. From an economic perspective, the US government should continue its intervention with their vaccination strategy, as it is beneficial for fighting the pandemic. This may lead to the recovery of the stock market as well as to the whole economy.
COVID-19 是影响人类和世界经济的最具破坏性的大流行病。本文旨在研究美国 COVID-19 疫苗接种、感染率(INFR)和病死率(CFR)与股票市场回报之间的时变关联性。
我们使用了 COVID-19 每日确诊感染、死亡和接种人数以及美国每日股票市场指数回报。
使用小波相干方法评估了美国股票市场与 COVID-19 疫苗接种、INFR 和 CFR 的共同运动。
COVID-19 疫苗接种、INFR 和 CFR 对 S&P500 回报率的影响在大多数商业周期频率上都是积极且显著的,并且呈同相关系。
小波相干分析揭示了 COVID-19 疫苗接种率与 S&P500 回报率之间存在强大而显著的关联性。从经济角度来看,美国政府应继续通过其疫苗接种策略进行干预,因为这有利于抗击大流行病。这可能会导致股票市场以及整个经济的复苏。