Apollo Warns High Rates and Rising Rents Could Trap the Fed in a Housing ‘Doom Loop’

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High interest rates may be doing more than slowing housing demand. They may also be constraining new supply in a way that eventually puts upward pressure on rents — and therefore inflation.

That is the feedback loop highlighted by Apollo Global Management in an Oct. 4 housing analysis describing what it calls a “higher rates, higher rent doom loop.”

The mechanism is straightforward. Higher financing costs make apartment and housing development harder to pencil. Builders respond by starting fewer projects. As the pipeline of new units shrinks, rental supply tightens. Rent growth can then accelerate, adding pressure to inflation measures and making it more difficult for the Federal Reserve to bring rates down.

Housing supply can make monetary policy harder

Apollo’s argument matters because shelter carries enormous weight in consumer inflation. The firm noted that owners’ equivalent rent alone represents roughly one-quarter of the Consumer Price Index basket.

That creates an unusual policy tension. Higher rates are intended to restrain demand and inflation, but housing is unusually sensitive to the cost of construction and development capital. If restrictive rates suppress supply for long enough, the eventual shortage of new apartments can work in the opposite direction by supporting higher rents.

The effect does not happen immediately. Multifamily projects have long development timelines, so today’s financing environment can affect the number of units delivered years later. That lag makes housing supply particularly important when evaluating where shelter inflation may go next.

A different problem from today’s mortgage-rate shock

WRE News has extensively covered the immediate consequences of elevated mortgage rates for homebuyers and lenders. Apollo’s analysis adds a different dimension: the rate environment can influence future inflation through construction supply, not merely current purchasing power.

That distinction matters for the Federal Reserve. Falling housing construction can coexist with weak transaction volume today while simultaneously planting the seeds for tighter rental conditions later.

The warning does not mean rents must accelerate everywhere. Local supply pipelines, population growth, vacancies and employment conditions vary widely. Some metros are still absorbing a wave of multifamily units started during the earlier construction boom.

But nationally, a prolonged decline in starts would eventually reduce that cushion. If rent inflation reaccelerates as the pipeline thins, policymakers could face the uncomfortable possibility that high rates are contributing to one of the inflation pressures they are trying to contain.