... specification and a time-varying causal inference methodology. Findings Our findings support that Bitcoin remains weakly connected to the global financial markets. Contagion is limited, appearing sporadically from S&P 500 to Bitcoin and from Bitcoin to the US dollar index. However, when we impose...

...) and Hacker and Hatemi-J's (2012) time-varying causality test shows the presence of causality from EPU to precious metals except for gold. Particularly, Balcilar et al. (2016) , though their non-parametric causality-in-quantile approach shows that for the daily and monthly data, uncertainty...