Examlex
When there is a change in the quantity demanded it means that
Goods And Services
The products and activities that satisfy human wants or needs, goods being tangible items and services being intangible.
Barter
A system of exchange where goods or services are traded directly for other goods and services without the use of money.
Commodity Money
Commodity Money is a type of currency in which the value comes from a commodity of which it is made, such as gold or silver coins.
Largely Self-Sufficient
Describes an entity or community that can fulfill nearly all of its needs without external assistance.
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