Don't Try to Fix it Up, Tear it Up
 WB is flacking for a David Einhorn argument against QE3 (our third bout of quantitative easing) .  I happen to not like QE3 much either, but for an opposite reason - it's far to feeble to do much good.   Let's start with a somewhat simplified economic identity Production = Consumption + Savings, or P = C + S.  Call that conservation of economic stuff.  Note that I neglect any fluxes, which is not locally valid, but close enough globally.  Recessions and depressions occur when P stops growing or actually decreases.  There are a lot of ways that can happen, including exhaustion of a critical resource (the Harappans?), troubles with those fluxes I neglected (think Spain) and other exogenous factors.  Many, however, are like the current financial crisis, endogenous effects of non-linearity in the economy.   A common characteristic of these latter is that consumption drops making it unprofitable to produce much.  The economy is saving so much of its production that it becomes a glu...
