It's important to note that this isn't strictly price discrimination too - it's actually product segmentation.
Price discrimination happens when it's the same product sold at different prices (e.g. senior discount for movie tickets) - but actually there IS a difference between a $1 burger at McDonalds and one of the $7 premium ones.
Re:McDonald's and Optimal Pricing Strategies
by zeroonetwothree on Monday July 04, 2022 @12:56PM
(#31979195)
But it’s also cheaper to transport and produce larger package sizes. So it’s not purely price discrimination (I don’t know how much is).
I think the canonical example is actually coupons.
The kind you are most familiar with is the quantity discount from buying a larger package size at the grocery store.