Why do prices rise?
Use [product I buy]
as the example.
Separate temporary
causes from sticky
ones — how to tell.

Why Prices Rise

Inflation as it shows up in one thing you actually buy.

Prompt

Explain the main reasons prices rise, using [a product or category I actually buy] as the running example. Separate the causes that are temporary from the ones that tend to stick, and say how anyone could tell the difference at the time.