Which index could be used to measure inflation from the perspective of the seller?

The Producer Price Index (PPI) measures inflation from the perspective of businesses (producers), reflecting the cost of goods before they reach consumers.

Why PPI?

It tracks wholesale prices and raw material costs.

Helps predict future consumer price inflation (CPI).

Difference Between PPI & CPI:

CPI measures inflation from the consumer’s perspective (retail prices).

PPI measures inflation from the producer’s perspective (wholesale prices).

???? Reference: UK Office for National Statistics (ONS), CFA Institute (Inflation Indicators).