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Working Paper
Revisiting Risky Money
Risk was first incorporated into monetary aggregation over thirty-five years ago,using a stochastic version of the workhorse money-in-the-utility-function model.Nevertheless, the mathematical foundations of this stochastic model remain shaky.To firm the foundations, this paper employs a slightly richer probability conceptthan standard Borel-measurability, which enables me to prove the existence of awell-behaved solution and to derive stochastic Euler equations. This measurabilityapproach is long-established albeit less common in economics, possibly because the derivation of stochastic Euler ...