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- W4303699729 abstract "The relationship between three different groups of COVID-19 news series and stock market volatility for several Latin American countries and the U.S. are analyzed. To confirm the relationship between these series, a maximal overlap discrete wavelet transform (MODWT) was applied to determine the specific periods wherein each pair of series is significantly correlated. To determine if the news series cause Latin American stock markets’ volatility, a one-sided Granger causality test based on transfer entropy (GC-TE) was applied. The results confirm that the U.S. and Latin American stock markets react differently to COVID-19 news. Some of the most statistically significant results were obtained from the reporting case index (RCI), A-COVID index, and uncertainty index, in that order, which are statistically significant for the majority of Latin American stock markets. Altogether, the results suggest these COVID-19 news indices could be used to forecast stock market volatility in the U.S. and Latin America." @default.
- W4303699729 created "2022-10-09" @default.
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- W4303699729 date "2022-10-05" @default.
- W4303699729 modified "2023-09-26" @default.
- W4303699729 title "Transfer Entropy Granger Causality between News Indices and Stock Markets in U.S. and Latin America during the COVID-19 Pandemic" @default.
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- W4303699729 doi "https://doi.org/10.3390/e24101420" @default.
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- W4303699729 hasPublicationYear "2022" @default.
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