International dimensions 57
negatively correlated with the VIX. Leverage level and growth are also nega-
tively correlated with the VIX.
According to Rey (2015), these co- movements in asset prices worldwide do
not just reect market integration. They are, to some extent, caused by mone-
tary conditions in the centre country (the US) which, owing to the central role
played by the US dollar in global nancial markets, have an impact on changes
in aggregate risk aversion and volatility, capital ows, and the leverage of the -
nancial sector in many parts of the international nancial system. As capital ows
respond to US monetary policy, they may not be appropriate for the cyclical
conditions of other economies, leading to excessive growth in bo ...