名詞 indexation:

1. a system of economic regulation: wages and interest are tied to the cost-of-living index in order to reduce the effects of inflation

in.dex.a.tion

n.（名詞）
The automatic adjustment of an economic variable, such as wages, taxes, or pension benefits, to a cost-of-living index, so that the variable rises or falls in accordance with the rate of inflation.
指數(shù)化：一種自動調控方法，把一些經濟變量，例如工資、稅收或養(yǎng)老金做成生活成本指數(shù)，使這些變量隨著通貨膨脹率的增減而上升或下降