# The low-cost era is over

> Structural economic shifts have ended 15 years of cheap money and low inflation, ushering in a permanently higher-rate world.
- Title: The low-cost era is over · Fortune | Shortify
- Summary: Structural economic shifts have ended 15 years of cheap money and low inflation, ushering in a permanently higher-rate world. The economy has fundamentally…
- Keywords: federal reserve, interest rates, inflation, mortgage rates, ai investment, economic growth, treasury bonds, consumer spending, data centers, structural transformation, low-cost, era
- Source: Fortune — https://fortune.com/2026/09/20/us-economy-structural-transformation-low-cost-era-regime-change-inflation-interest-rates
- Author: Christopher Rugaber
- Read time: 1 min
- Topics: federal reserve, interest rates, inflation, mortgage rates, ai investment, economic growth, treasury bonds, consumer spending, data centers, structural transformation
## The 15-year cheap money era ended
Mortgage rates that hit 3% in the 2010s and dropped even lower during COVID are gone. The average 30-year mortgage now sits at 6.95%, the highest in over a year and a half.
## Strong spending collides with supply gaps
Consumer and business demand is now healthy after years of weakness, but supply can't keep up. Oil prices are up due to the Iran war, and AI buildout faces shortages of chips, equipment, and workers.
## Tech firms are borrowing heavily for AI
Companies like Google and Meta are tapping their cash stockpiles and borrowing billions more to build data centers. This massive investment competes with government bonds for lenders, pushing rates higher.

> Ever-expanding pools of capital are pouring into AI-related infrastructure of all sorts.
## Broader forces matter more than Fed policy
The structural shift from weak to strong demand means higher rates are inevitable. Fed decisions matter less than spending patterns, supply constraints, and government deficits when it comes to longer-term borrowing costs.

> The regime change in inflation and interest rates is the outcome.
## Treasury yields hit five percent
The 10-year Treasury bond yield topped 5% this year for the first time since 2023, driven by competition for capital from government and corporate borrowing.
## Growth is imbalanced and wage-lagging
Economic expansion depends heavily on AI investment and wealthy consumers benefiting from stock gains. Meanwhile, inflation has outpaced wage growth for five straight months, squeezing ordinary Americans.
## Policy choices drive inflation higher
Government decisions like the Iran war push up energy prices and inflation, which forces investors to demand higher interest rates on bonds. Presidential calls for lower rates conflict with policies that raise them.
## Key takeaway

The economy has fundamentally changed from weak demand and excess capital to strong spending colliding with supply constraints, making higher interest rates inevitable regardless of Fed policy.