One of the reasons for selecting gold as the medium of exchange is that it is relatively scarce.
As the supply of gold starts to increase, its role as the medium of exchange diminishes while the demand for it for some other usages is likely to be retained or increase.
In fulfilling its role as the medium of exchange, money just facilitates the flow of goods and services.
It should be a evidence deposit and the medium of exchange in the condition of market economics.
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