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A behavioural theory of money

If you have clicked onto this article just from reading the title, then I may disappoint you slightly. I am not (yet) going to propound a behavioural theory of money, though I think there's one coming in the future. But I will point to a couple of results which may indicate where to get one. The first is a quote from John Moore and Nobu Kiyotaki of LSE, in the beautifully titled lecture Evil Is The Root Of All Money . "Money is the medium of exchange. Notice that for this argument to hold together, there has to be a set of mutually-sustaining beliefs, stretching off to infinity. I was willing to hold money yesterday because I believed the dentist would accept it today. She is willing to hold money today because she believes someone else will accept it tomorrow. And so on. If there were a known end-point to history, the entire structure of beliefs would collapse back from the end." This, as they point out, is the conventional view among microeconomists about the existence ...