+A **rival good** is consumed by one, diminishing its availability for another. Its use inherently reduces its presence for others, creating a scarcity where shared enjoyment is impossible. This characteristic helps define [Public Goods](/wiki/public_goods) and [Private Goods](/wiki/private_goods), shaping their markets.
+## See also
+- [Excludability](/wiki/excludability)
+- [Non-Rival Good](/wiki/non_rival_good)
+- [Club Good](/wiki/club_good)
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