No, it doesn't happen all the time. Grocery prices are very sticky. Consumers notice when bread prices go up from $2.00 to $2.10, and they'll switch brands t

No, it doesn't happen all the time. Grocery prices are very sticky. Consumers notice when bread prices go up from $2.00 to $2.10, and they'll switch brands to avoid the increase. That's why you get shrinkflation, small changes in quantity aren't as easy to notice as price changes.