We examine economic activity in a large virtual economy which was designed to allow decentralized barter as the sole exchange institution. We find that a small subset of goods emerges endogenously which act of media of exchange. Our analysis includes estimation of spot exchange rates between...

Many of the claims put forth by Modern Monetary Theory (MMT) center around the state's monopoly over its own currency. In this paper I interrogate the plausibility of two claims: 1) MMT's theory of the price level - that the price level is a function of prices paid by government when it spends -...