Baumol's Cost Disease

1. This is certainly a real effect that has some effect on relative wages at the margins in some cases.

2. In 2025 if you hear someone talking about it in the context of the US economy you are most likely hearing propaganda, designed to provide a dodge for the real driver of higher costs which is mostly concentrated corporate power, consolidation, and collusion.

The submission is titled with "Cost Disease", though the Wikipedia article has the more neutral term "Effect". But it is important to remember that money is a relative resource, not a real resource. If some sectors of the economy become drastically more efficient, and some do not, overall society has become wealthier, even if the prices in the latter sectors rise a lot.

I'm skeptical that anything actually is cheaper when normalized by offset wages. like sure you can buy a TV for cheaper, but isn't that just because now you have cheap labor and arbitrage? software is the main exception here. what physical product is actually cheaper when you remove offset labor arbitrage?

this would also explain why things that are not subject to said arbitrage do not actually get cheaper, e.g. anything that must be done locally.

Evidence for claim #2? The sectors where the Baumol effect has been most painful (housing, childcare, education, with the exception of healthcare) are ones that have much higher levels of competition and distribution than areas where prices have rapidly dropped. Construction Physics, for example, did an analysis [1] that showed that the top multifamily housing developer has 2% marketshare; the top residential housing developer (DR Horton) has 8.4% and subs out almost all the work, and the top 4 together have only 20% of the market. Compare with tech markets like browsers, search engines, or operating systems where the top firm alone often has 80% market share.

[1] https://www.construction-physics.com/p/why-are-there-so-few-...

That's not how it works: Most things that people call non-discretionary still have opportunities for market effects. Take food: You might have spikes for, say, beef, but what is necessary is just enough calories, not necessarily having them come from beef. Therefore, you can switch preferences, eat something else, and not be affected by the price increases. Poeple rarely do though, because the amount of money spent on food is significantly lower than historical, precisely due to agricultural productivity improvements. In the US, we also have to consider the effects of recent tariffs: When supply gets far more expensive, prices go up in a market, regardless of whether people must eat or not.

For housing, there's also significant location effects: One doesn't have to live in, say, Manhattan. People trade time for location, and then select the space they want. A whole lot of the space Americans use is completely optional. Go look at cities in Asia, or in Spain: You can have a city with an average density similar to NYC's Upper East side, but not even NYC comes close. That's not about a limitation of supply, but very specific policy choices.

It's similar in other mandatory things: In healthcare, the amount of things that are actually mandatory isn't that large, training to become a doctor is offered to far fewer people that would want the job, drugs can be handed long monopolies... It's not about non-discretionary, but mostly a regulatory problem. Same with American colleges, which waste an order of magnitude more money in what is shaped like an old luxury good. Anyone that has gone to a public university in continental Europe and to a US college can tell you it's a completely different good, and the American approach isn't all that focused on efficient education, as it's still shaped like a finishing school. And again, it's not necessary.

So I'd argue it's almost always regulation written to help certain incumbents, instead of inability of market forces to keep prices low even when it appears that a good is non-discretionary.