Ma'anar ƙamus na "ƙasa mai ƙima" tanadi ne a cikin kwangila ko yarjejeniya wanda ke ba da damar haɓaka farashi kai tsaye a cikin farashi, albashi, ko wasu biyan kuɗi bisa ƙayyadaddun tsari ko fihirisa. Yawanci ana amfani da sashe don ci gaba da hauhawar farashin kayayyaki ko canza yanayin tattalin arziki.
