This paper investigates if the impact of uncertainty shocks on the U.K. economy has changed over time. To this end, we propose an extended time-varying VAR model that simultaneously allows the estimation of a measure of uncertainty and its time-varying impact on key macroeconomic and financial...

We study the impact of economic policy uncertainty (EPU) shocks on the long-run stock market variances and correlations, primarily for the US and the UK. We find that US EPU shocks affect both US and UK stock market long-run variances and correlation, but UK EPU shocks only affect its own...