How it works
Money in an economy moves in a circle. Firms pay wages to households, households spend those wages at firms, and firms use the revenue to pay wages again. Employment is not something that sits alongside that circulation. Employment is that circulation.
So a break in one place does not stay in one place. Take a town of 1,000 workers earning $50,000 each and spending most of it locally (illustrative figures, not data). Lay off 100 of them and roughly $5 million of annual spending leaves the town. The shops, dentists, garages and restaurants that were receiving that $5 million now have less revenue than payroll, so they cut perhaps 60 jobs of their own. That removes another $3 million of spending. Which removes more jobs. Round and round, each turn smaller than the last.
Two features make the loop worse than simple subtraction. The first is the multiplier: a dollar of lost wages removes more than a dollar of demand, because that dollar would have been spent, re-earned and spent again. The second is fear. People who still have jobs but can see the layoffs start saving against the possibility that they are next, which cuts spending among people whose income has not actually fallen yet.
The reason most people have never watched a spiral run all the way to the bottom is that governments learned to stand in the middle of the loop and put money back in. Unemployment insurance does it automatically. Stimulus and direct payments do it deliberately. The logic is always the same: replace enough of the lost income to keep spending roughly where it was, hold the circle open until confidence returns and the jobs come back, then withdraw. The repeated booms and busts of the 1800s and early 1900s were largely this mechanism running unchecked.
A spiral is not a prediction of infinite collapse. It converges, because savings buffers, pensions, benefits and non-wage income are all leaks that stop the loop from emptying entirely. It converges downward, at a new and worse level, and it can take years to climb back.
Why it matters to this crash
Our argument, set out in full here, is that AI-driven displacement breaks the interruption rather than the loop. Three reasons, and they compound.
It is not cyclical. Every tool in the standard kit assumes the jobs return when confidence does, and that policy only has to build a bridge to the far side. If the thing that replaced the worker is cheaper, does not sleep and does not quit, there is no far side to bridge to.
The scale is different in kind. Roughly 162 million people were employed in July 2026. Displace a quarter of them and, at the average wage, about $3.2 trillion of annual income disappears. But the occupations most exposed to a machine that works through a screen are the better-paid ones: management work averages $144,860 a year and legal occupations $129,880, against an all-occupation mean of $69,770. Weight the displacement that way and the lost income looks closer to $4 trillion.
And it cannot be done by halves. Replacing a fraction of lost wages slows a spiral without stopping it, so the full bill is the real bill. Total federal receipts were $5.24 trillion in FY2025. Income replacement alone would run at 60 to 80 per cent of everything the federal government collects, before a single road or Medicare payment. The obvious funding source is not there either: corporate income tax raised $497 billion, so confiscating all of it at a 100 per cent rate covers about an eighth. Worse, individual income tax was $2.60 trillion, or 49.6 per cent of all federal revenue, paid overwhelmingly by exactly the analysts, lawyers and engineers first in line for replacement. Every displaced worker is simultaneously a new claimant and a lost taxpayer.
That is the difference between a recession and a spiral with no natural end: the event that creates the need for the money destroys the source of it.
What would make this dangerous
The thing to watch for is displacement concentrated in high-wage screen work rather than low-wage manual work, which hits spending and the tax base at the same time and from the same direction.
After that, watch for job losses spreading into sectors with no AI story of their own. Layoffs at a software firm are a technology story. Layoffs at the restaurants, dentists and car dealers near that software firm are the spiral, and they are the observable signal that the loop has started turning.