The age of boom and bust is over - we were told, shortly before the great crash of 2008-09. Such confidence is clearly ill-advised. Economies boom and economies bust - and there doesn't seem much we can do about it. Or is there? How can you spot a crash coming? What should you do about it when it descends on us? And how can we respond so that, even if we can't banish them forever, we can limit their frequency and impact? In this week's episode, Nick Spencer speaks to Linda Yueh about her book The Great Crashes: Lessons from Global Meltdowns and How to Prevent Them.