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Heliyon . Unconditional and conditional analysis between covid-19 cases, temperature, exchange rate and stock markets using wavelet coherence and w

tetano

tetano

Editor, Senior Moderator
Heliyon


. 2021 Feb 2;7(2):e06181.
doi: 10.1016/j.heliyon.2021.e06181. eCollection 2021 Feb.
Unconditional and conditional analysis between covid-19 cases, temperature, exchange rate and stock markets using wavelet coherence and wavelet partial coherence approaches​


Gagan Deep Sharma[SUP] 1 [/SUP], Aviral Kumar Tiwari[SUP] 2 3 [/SUP], Mansi Jain[SUP] 1 [/SUP], Anshita Yadav[SUP] 1 [/SUP], Burak Erkut[SUP] 4 5 [/SUP]



Affiliations

Abstract

This paper examines the time-frequency relationship between the number of confirmed COVID-19 cases, temperature, exchange rates and stock market return in the top-15 most affected countries by the COVID-19 pandemic. We employ Wavelet Coherence and Partial Wavelet Coherence on the daily data from 1st February, 2020 to 13th May, 2020. This study adds to the literature by implementing the Wavelet Coherence technique to explore the unexpected outbreak effects of the global pandemic on temperature, exchange rates and stock market returns. Our results reveal (i) there is evidence of cyclicality between temperature and COVID-19 cases, implying that average daily temperature has a significant impact on the spread of the COVID-19 disease in most of the countries; (ii) strong connectedness at low frequencies display that COVID-19 cases have a significant long-term impact on the exchange rate returns and stock markets returns of the most affected countries under study; (iii) after controlling for the effect of stock market returns and temperature, the co-movements between the confirmed COVID-19 cases and exchange rate returns becomes stronger; (iv) after controlling for the effect of exchange rate returns and temperature, the co-movements between the confirmed COVID-19 cases and stock market returns become stronger. Apart from theoretical contribution, this paper offers value to investors and policymakers as they attempt to combat the coronavirus risk and shape the economy and stock market behavior.

Keywords: COVID-19; Exchange rate return; Partial wavelet coherence; Stock market return; Temperature; Wavelet coherence.
 
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