Despite its odd denomination, the above is a genuine banknote. Ne Win , Burma's military dictator from 1962 to 1988 and the man pictured in the note, was convinced that his lucky number was nine. So he had notes issued in multiples of nine, including the forty-five and ninety kyat notes (which also each add up to nine 4+5=9, 0+9=9). But I'll get to this story later. This is a continuation of a post I wrote earlier describing how central banknotes aren't mere bits of intrinsically useless paper. The standard view among economists is that banknotes are bubble assets. Because they are intrinsically valueless, the fact that paper notes earn a positive value can only be explained by the fact that the market expects them to have value in the future, much in the way that a ponzi scheme or chain letter is perpetuated. This view goes back to Paul Samuelson ( pdf ), who described how a "grand consensus" might be arrived at whereby society could contrive to have "obl...