The one that is not getting much air time (at least not yet) is what I have come to think of as "luxuryflation."
You completely drop your budget line out of your product selection, simply take it off the shelves, and replace it with a top of the line premium line so that there no longer IS a $2.50 option, only the new $7.99 option.
Lately, I've been noticing this with pasta sauce in jars, with yogurt, and with certain kinds of bread. Oh, and it's starting with salad dressing, too.