Policy-makers have ben talking about economic armageddon. That is strong stuff. Of course, we don't need to worry because David Cameron has asked the Treasury - the high priests of There Is No Alternative - to look at contingency plans.
Luckily, I had some time on my hands so I've given them a little help:
http://www.neweconomics.org/blog/2011/11/14/how-to-prepare-for-economic-armageddon