+**Barter** is an ancient system of exchange where goods or services are directly traded for other goods or services without the use of [Money](/wiki/money). It relies on a "double coincidence of wants," where each party desires what the other possesses, forming the earliest known form of [Trade](/wiki/trade). This direct exchange precedes the development of currency, highlighting early human economic interactions.
+## See also
+- [Economy](/wiki/economy)
+- [Goods](/wiki/goods)
+- [Services](/wiki/services)
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