Interesting (and amusing post) with good discussion in the comments. As expect from Worthwhile Canadian Initiative at this point. Good stuff, especially if you like monetary economics, macro, LOTR, or like me, all three.
http://worthwhile.typepad.com/worthwhile_canadian_initi/2012/12/the-macroeco.html
http://worthwhile.typepad.com/worthwhile_canadian_initi/2012/12/the-macroeco.html