This paper surveys the academic literature concerning the formation of pricing bubbles in
digital currency markets. Studies indicate that several bubble phases have taken place in …

This paper analyses existing literature about the economic effects of cryptocurrency using
bibliometric methods. 1850 articles are collected from “Web of Science core database” from …

We investigate the impact of geopolitical risks caused by the Russian-Ukrainian conflict on
Russia, European financial markets, and the global commodity markets. We measure the …

The Covid-19 bear market presents the first acute market losses since active trading of
Bitcoin began. This market downturn provides a timely test of the frequently expounded safe …

The COVID-19 pandemic provided the first widespread bear market conditions since the
inception of cryptocurrencies. We test the widely mooted safe haven properties of Bitcoin …

Cryptocurrency values have recently fallen substantially. Why? We examine the impact of
attention on the Russia-Ukraine War, proxied by Google Trends, on cryptocurrencies (and …

This paper examines return and volatility connectedness between Bitcoin, traditional
financial assets (Crude Oil, Gold, Stocks, Bonds, and the United States Dollar-USD), and …

We have developed and made available a new Cryptocurrency Uncertainty Index (UCRY)
based on news coverage. Our UCRY Index captures two types of uncertainty: that of the …

We investigate the impact of geopolitical risk (GPR) generated by the Russian-Ukrainian
conflict on European and Russian bonds, equity, and global commodity markets. We employ …

We examine the hedging properties of different asset classes as impacted by the Russian
invasion of Ukraine in 2022. We employ wavelet coherence analysis to study the impact of …