It is an old idea and a Marilyn Monroe movie
https://www.imdb.com/title/tt0048605/
one scene most know:
Everything is up, but they are actually hiding some of the inflation by only considering some items, not all of them. This means the ones they track are moving., but not as much as the ones they aren't tracking.
Oh nice, will give it a watch!
Sounds like deep pockets. Hopefully things won't go worse in coming time.