indeksbasert

Indeksbasert is an adjective used to describe something that is based on an index, i.e., a numerical measure that tracks changes in a defined set of variables over time. In practice, to be indeksbasert means that a value, payment, or rate is adjusted according to the value of an index rather than fixed amounts. The concept is widely used in economics, finance, and contracts to preserve purchasing power or real value.

Common contexts include inflation-indexed benefits and wages, where payments are adjusted annually based on a price or wage index such as a consumer price index (KPI) or a relevant wage index. It also appears in financial products and contractual agreements, where interest, rents, or other payments are tied to an index to reflect changes in costs or market conditions. In calculations, an indeksbasert adjustment is often expressed as Verdi_t = Verdi_0 × (Indeks_t / Indeks_0), meaning the base value is scaled by the ratio of the current index to the base index.

Advantages of indeksbasert arrangements include better alignment with real costs, predictable adjustments, and reduced erosion of value due to inflation. Disadvantages can include dependence on the chosen index, potential mismatch with actual expenses, and added administrative complexity.

See also inflation adjustment and index. The term emphasizes reliance on an external, publicly available measure to update values over time.