Here are extracts from Chapter 3 of my book, physician The Doom Loop in the Financial Sector, and Other Black Holes of Risk (University of Ottawa Press, 2010), pp. 101-2:

Thus, by the middle of 2010 six of the seven largest economies in the world looked to be in no shape … to spend their way out of another serious financial meltdown for a very long time to come [due to accumulated debt levels]….  Recent events have seriously eroded the margin of safety in the discretionary public resources available to most of the world’s wealthiest economies; that is, the capacity of their governments to incur additional debt responding to a further financial crisis,…”

Read the full article: Death by Debt [PDF]