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Matt Seitz's avatar

This reminds me of the argument I've read that people often complain about higher prices for houses without taking into account that houses today are bigger and offer more amenities than houses from decades ago. I've read similar arguments for car prices, where cars today are safer, more reliable, and have more features than cars from decades ago.

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Hunter's avatar

Great insight. I have some questions about the last part from a data perspective though.

1. The personal savings rate probably needs some kind of adjustment for demographics to be meaningful in this context. With boomers retiring in droves we should expect that number to be low right now. Does it still look low by historical standards if those effects are controlled?

2. You footnote the fact that the PCE-PCI chart has a weird starting date effect, but say the effect is still there measuring sept-2019 to sept-2023. That's fine, but we need a frame of reference since as you note PCE normally goes up more than PCI. So if it was 30% vs 20% over that period, what was it for say, 2014-2018? Given that the majority of the difference in your chart happens in *one* month out of the 24 months plotted, I feel like more investigation is needed on that one.

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