An economist would BEST describe the scenario as : Barter system
Barter system is when commodities are exchanged against commodities. It is an act of trading goods or services between two or more parties without the use of money.
This type of trading system is an old method of exchange practised for centuries and long before money was introduced.
Examples of barter system are :
Therefore, an economist would BEST describe the above scenario as barter system because both Evie and her sister exchanged their items of value between themselves.
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