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Casey's avatar
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I think the confusion stems from people believing (me until this morning) that fixed income meant you relied on income from a source which paid a defined amount (social security, pension), rather than on income you controlled, like wages (work more to earn more) or drawing down investments/individual retirement accounts (you choose how much to withdraw). I legit did not know old school fixed income was income fixed in nominal terms, and I suspect most people (including those on social security and other retirement programs with automatic CoL adjustments) don't either!

MagellanNH's avatar

Matt is totally right on the actual technical details here (of course). OTOH, I sort of think he's missing the whole point of people using the phrase "seniors on a fixed income."

Similar to using the phrase "death tax" or "pro life," talking about seniors on a fixed income evokes emotions that everyone intuitively understands and relates to despite the technical inaccuracy. Real median income increases substantially as people age up until around age 50 or so. After that, and especially after retirement, median real income decreases substantially. This is mostly due to an intentional shift away from labor income, as people age. This shift is often heavily influenced by ever increasing physical limitations. The reality is that older households usually have much less ability to increase income if needed. So while it's technically true that SS income is automatically adjusted for inflation and stock portfolios can keep up with inflation over long periods, most people face a transition from flexible, labor-driven income to largely predetermined (and "fixed") income streams in retirement.

This is the dynamic people are thinking about when they use or hear the term "fixed income." The dynamic is less about inflation eating away at nominal income and more about higher exposure to things like sequence-of-returns risk, the possibility of reduced withdrawal capacity if markets underperform, and increased risk of unexpected expenses (especially health related). People intuitively get that this dynamic is at work for many retirees. The phrase "fixed income" works well as a proxy to capture the fact that unlike younger people, most older people are in a phase of life with almost no income flexibility and often have lots of concern about rising expenses relative to what they can sustainably draw from their resources.

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