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Advisor(s)
Abstract(s)
We take the novel Twitter-based economic uncertainty (TEU) to examine if it has crosscorrelation characteristics with four major cryptocurrencies i.e. Bitcoin, Ethereum, Litecoin,
and Ripple. To conduct a more thorough analysis, we apply multifractal detrended crosscorrelation analysis (MFDCCA) on seasonal-trend decomposition using Loess (STL) decomposed series as well as without decomposed series on the daily data, ranging from 1 June 2011
to 30 June 2021. The findings of this study indicate that: (i) all pairs of TEU with cryptocurrencies are multifractal and have power-law behavior; (ii) the pairs of Ethereum and Bitcoin
with TEU are found to be the most multifractal while Litecoin with TEU has the lowest
multifractal characteristics; (iii) all STL decomposed series of cryptocurrency have persistent
cross-correlation with TEU with the exception of Ethereum which has anti-persistent crosscorrelation with TEU; (iv) all without decomposed series of cryptocurrencies show significant persistent cross-correlation characteristics with TEU; (v) the highest linkage is found for the pair
of Bitcoin with TEU. Moreover, to reveal the dynamic characteristics in the cross-correlation
of TEU with cryptocurrencies, the rolling window is employed for MFDCCA. These findings
have important managerial and academic implications for policymakers, investors, and market
participants.
Description
Keywords
Twitter-Based Uncertainty Cryptocurrencies MFDCCA Cross-Correlation Media