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by _Microft 6y ago
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Also: the items in the category with decreasing prices are almost all automatically mass-producable and will have the advantage of learning (i.e. increased production efficiency and decreased cost with increasing number of items produced) while the ones in the other category aren’t necessarily. Childcare/nursery isn’t going to become cheaper just because you’ve more experience with the job.
College textbooks really stand out though. These should not have to become more expensive. They are written once and printed cheaply thereafter. I wonder what the curve for other types of books looks like but my guess is that other books have not seen these increases and this is purely money-making.
- rjmunro 6y agoI'm not sure that college textbooks are written once. It depends on the subject, but they are often replaced frequently e.g. as technology or laws are updated, and each one makes only a small number of sales. Yes, printing costs are relatively low, but they are also a relatively small part of the cost of many kinds of book.