The paper evaluates the present and future international currency status of the US dollar, the euro and the yen. In section two the functions, benefits, and costs of a leading international currency are discussed. In section three key determinants for the continuous dominance of the US dollar...

What shapes central banks' learning from the policy experiments of their peers? Both economic ideas and organizational interests play important roles. Thus, New Keynesian ideas led central banks to interpret Japan's experience with quantitative easing through the impact on risk spreads, although...