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An '''economy''' is the system of producing, distributing and consuming goods and services; virtually all modern economies are based on [[money]]. Before the invention of [[currency]], most economies were based on [[barter]]. Various economic systems exist and have existed around the [[world]].

An '''economy''' is the system of [[production]], [[distribution]], and [[consumption]] of [[goods]] and [[service]]s. Virtually all modern economies are based on [[money]], though, before the invention of [[currency]], most economies were based on [[barter]]. Various [[economic]] systems exist and have existed around the [[world]].

== See also ==

== See also ==