Purpose - Bitcoin (BTC) is significantly correlated with global financial assets such as crude oil, gold and the US dollar. BTC and global financial assets have become more closely related, particularly since the outbreak of the COVID-19 pandemic. The purpose of this paper is to formulate BTC...

This research estimated the smooth transition autoregressive model with exogenous variables to evaluate the non-linearity of West Texas Intermediate (WTI) crude oil price from the exchange rate of US dollar and WTI crude oil production. The sample period used in this research was the weekly data...

COVID-19 and SARS are epidemics which have influenced the largest global economic crisis in recent years. This research reveals that both SARS and COVID-19 have led to fluctuations in the prices of gold and the US dollar index; however, there is no direct causal relationship be-tween COVID-19...

This paper investigates the volatility spillover dynamics between U.S. Bitcoin and financial markets from July 19, 2010 to December 29, 2017. Diebold and Yilmaz (2012) volatility spillover index, Barunik, Kocenda, and Vacha (2017) Spillover Asymmetry Measure, and Barunik and Krehlik (2018)...

Amid the growing debate over how cryptocurrencies are reshaping global finance, this study explores the nexus between Bitcoin, Brent Crude Oil, Gold and the U.S. Dollar Index. We used a time-varying vector autoregressive (tvVAR) model to examine the connection among these four assets during the...

The financial channel of exchange rates operates through changes in risk-taking by investors and is reflected in the response of financial conditions to exchange rate movements. We show that stock returns also reflect the financial channel of exchange rates, with higher local currency stock...

Short time series are fundamental in the foreign exchange market due to their ability to provide real-time information, allowing traders to react quickly to market movements, thus optimizing profits and mitigating risks. Economic transactions show a strong connection to foreign currencies,...

The paper discusses whether US dollar based financial sanctions will undermine the dollar's dominant international role. Despite long-standing attempts to reduce the role of the dollar, these have had limited success so far. I discuss why this is the case and why alternatives to the dollar are...