In a recent episode of Planet Money, we dove into the wild world of package sizes. Tiny Coke cans. Family-size cereal. Travel-size deodorant. Jumbo-size peanut butter jars. Companies have figured out that by fiddling with package sizes, they can squeeze more money out of us. The practice is known in the biz as “price pack architecture,” and as we reveal in the episode, it’s really taken off over the last couple decades.

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