Journal
APPLIED ECONOMICS
Volume 53, Issue 43, Pages 4962-4974Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/00036846.2021.1912284
Keywords
Fossil energy; crude oil; natural gas; clean energy; COVID-19; TVP-VAR
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This study analyzes the impact of fossil energy shocks on renewable clean energy stock markets during the COVID-19 pandemic, finding that clean energy stock returns significantly increased after the sharp decline in crude oil prices, but had the opposite effect after the OPEC+ agreement. Additionally, stochastic volatility showed that crude oil returns returned to normal levels after the OPEC-Russia agreement.
This paper analyses the dynamic impact of fossil energy shocks (crude oil and Natural gas) on renewable clean energy stock markets during the COVID-19 pandemic. Using a time-varying VAR model with stochastic volatilities, we conduct distinct analyses over the period from 10(th) March to 15(th) June 2020, while distinguishing between three sub-periods. Our key findings show a significant increase in the returns of clean energy stocks after the sharp collapse of crude oil prices. However, we find the opposite effect on renewable energy stock returns after the OPEC+ agreement. The results also indicate that the announcement of COVID-19 as a global pandemic caused the prices of both Natural gas and renewables to rise after a decrease. By contrast, after the crude oil shocks, there was no response of renewables to Natural gas shocks. Furthermore, the stochastic volatility reveals that after the OPEC-Russia agreements, the volatility of crude oil returns gets back to normal and steady fluctuation. Our results provide useful implications for policy-makers to mitigate the negative effects on renewable energy investments due the uncertainty related to the ongoing pandemic.
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