We examine time-varying correlations among stock market returns, implied volatility and policy uncertainty. Our findings suggest that correlations are indeed time-varying and sensitive to oil demand shocks and US recessions.

In this paper we examine the extent of international trade synchronization during periods of international trade collapses and US recessions. Using dynamic correlations based on monthly trade data for the G7 economies over the period 1961–2011, our results suggest rather idiosyncratic patterns...

This paper examines the synchronization of business cycles across the G7 countries during US recessions since the 1870s. Using a dynamic measure of correlations, results depend on the globalization period under consideration. During the 2007–2009 recession, business cycles co-movements...