CPI · TÜFE
Consumer Price Index
Short definition
CPI is the price change of the household basket. It indexes wages, rent and some contracts; the firm’s input inflation can diverge from PPI.
Detailed explanation
Core CPI strips energy and food; policy sometimes reacts to core. Basket and method revisions break level comparisons.
The price list does not pass CPI one-for-one: competition, contracts and demand elasticity cut pass-through. Real wages are the gap between CPI and the nominal wage.
Why it matters for the CFO
If rent and wages are CPI-linked, cash fixed cost inflates first; if selling prices lag, contribution narrows.
How to read it
CPI is not firm inflation. Basket weights are not your sales mix.
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What to learn next
Definitions are educational. They are not investment, credit or tax advice.