We investigate the relation between global FX volatility and the excess returns to carry trade portfolios. We find a significantly negative return co-movement of high interest rate currencies with global volatility, whereas low interest rate currencies provide a hedge against volatility shocks....

In our current time the idea of a global currency seems to be pathbreaking. However, the introduction of such a currency requires a uniform governance which implicates that countries lose national autonomy. Presently, countries prefer national monetary policy and national financial regulation....