We offer a general equilibrium analysis of cryptocurrency pricing. The fundamental value of the cryptocurrency is its stream of net transactional benefits, which depend on its future prices. This implies that, in addition to fundamentals, equilibrium prices reflect sunspots. This in turn implies multiple equilibria and extrinsic volatility, that is, cryptocurrency prices fluctuate even when fundamentals are constant. To match our model to the data, we construct indices measuring the net transactional benefits of Bitcoin. In our calibration, part of the variations in Bitcoin returns reflects changes in net transactional benefits, but a larger share reflects extrinsic volatility.
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Univ Perugia, Dept Math & Comp Sci, Via Luigi Vanvitelli 1, I-06123 Perugia, ItalyUniv Perugia, Dept Math & Comp Sci, Via Luigi Vanvitelli 1, I-06123 Perugia, Italy
Cretarola, Alessandra
Figa-Talamanca, Gianna
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Univ Perugia, Dept Econ, Via Alessandro Pascoli, I-06123 Perugia, ItalyUniv Perugia, Dept Math & Comp Sci, Via Luigi Vanvitelli 1, I-06123 Perugia, Italy
Figa-Talamanca, Gianna
Patacca, Marco
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Univ Perugia, Dept Econ, Via Alessandro Pascoli, I-06123 Perugia, Italy
Leonard da Vinci Pole Univ, Res Ctr, F-92916 Paris, FranceUniv Perugia, Dept Math & Comp Sci, Via Luigi Vanvitelli 1, I-06123 Perugia, Italy