A SECONDARY justification for the demonetisation of 500 and 1000 rupee notes, apart from its presumed deterring effect on “black money”, is that it ushers in a move towards a “cashless” economy. This argument too, however, like the perception that “black money” is just held in the form of a hoard of currency notes, is staggering in its simple-mindedness.All money consists of the liability of the banking system. (The only exception was the one-rupee note which was the liability of the Government of India, but its amount, always small, has now dwindled into insignificance).