Although banking and sovereign debt crises are not unusual, the crisis that has unfolded across the world since 2007 has been unique in both its scale and scope. It has also been unusual in being both triggered by, and mainly affecting, developed economies. Starting with the US subprime mortgage crisis, and the recession in 2007-2009, the problem soon erupted into financial crisis in Europe. A few of these countries came to the brink of bankruptcy,...