Reconsidering Money: Monetary Exchange with Additive Transaction Costs

. g., search costs) must be examined in order to explain the institution or origin of money. In contrast, this paper presents an additive transaction costs model in which the mere absence of double coincidences of wants suffices to motivate monetary exchange. Furthermore, it is found that not all commodity monies that are collectively desirable qualify for the core, but that all fiat monies that are collectively desirable will be elements of the core.