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Journal Articles Palgrave Communications Year : 2019

Coordination over a unique medium of exchange under information scarcity

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Several micro-founded macroeconomic models with rational expectations address the issue of money emergence, by characterizing it as a coordination game. ese models have in common the use of agents who dispose of perfect or near-perfect information on the global state of the economy and who display full-edged computational abilities. Several experimental studies have shown that a simple trial-and-error learning process could constitute an explanation for how agents coordinate on a single mean of exchange (Brown, 1996; Du y, 2001; Kindler et al., 2017; Lefebvre et al., 2018). However, these studies provide subjects with full information regarding the state of the economy while restricting the number of goods in circulation to three. In this study, by the mean of multi-agent simulations and human experiments, we test the hypothesis according to which coordination over a unique medium of exchange is possible in the context of information scarcity. In our experimental design, subjects and arti cial agents are only aware of the outcome of their own decisions. We provide results for economies with 3 and 4 goods to evaluate to which extent it is possible to generalize results obtained with 3 goods to n goods. Our ndings show that in an economyà la Iwai (1996), commodity money can emerge under drastic information restrictions with 3 goods in circulation, but generalization to 4 or more goods is not guaranteed.
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hal-02356248 , version 1 (08-11-2019)


Attribution - CC BY 4.0


  • HAL Id : hal-02356248 , version 1


Aurélien Nioche, Basile Garcia, Germain Lefebvre, Thomas Boraud, Nicolas P. Rougier, et al.. Coordination over a unique medium of exchange under information scarcity. Palgrave Communications, inPress. ⟨hal-02356248⟩
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