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