Today I have been studying data from the EMU economies where the individual member states surrendered their currency sovereignty and comparing it to other nations which have sovereign currencies (Australia, Denmark, Japan, the UK and the US). This is part of a larger project I am involved in. While the glare of the spotlight is currently on Greece and how the EMU handles the issue, most commentators conveniently forget that this problem has been many years in the making and is both a product of initial design folly and subsequent behaviour by some member states.