This study uses data from the BRICS stock market index, cryptocurrencies, and investor sentiment indicators from January 6, 2015, to June 29, 2023. BRICS nations emerge as pivotal representatives of emerging economies. This study employs a time-varying parameter vector autoregression model to unravel the intricate interdependence between traditional stock assets and the evolving landscape of cryptocurrencies. The analysis investigates spillover effects between BRICS stock markets and cryptocurrencies, revealing increasing interconnectedness during highly uncertain events like COVID-19, but no significant impact on major US stock market indices.
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Wang et al. (2024) studied this question.
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