Macro-prudential: if not now when?

At the turn of 2000, when the € was at 0.85, very weak, against the dollar, the then Economic Counselor of the International Monetary Fund, Michael Mussa, issued a statement that made some waves in the monetary world: "if not now when?" [1]. With that statement he made the point that if there was a time when a central bank had to resort to the unusual step of intervening in the foreign exchange market, that time had arrived for the European Central Bank.