Escalate their investment until retreat is unthinkable.
Barry Staw's 1976 paper gave the phenomenon its name from a folk song about a patrol wading deeper into a river. Business students allocated research funds to a division of a company, were told the division had performed badly, and were then asked to allocate further funds. Those who had made the original decision allocated substantially more to the failing division than those who had not — and the effect was strongest when they had been personally responsible and the failure was public.
Two mechanisms combine. Dissonance under accountability: reversing course indicts the earlier decision, and the decision-maker is defending a judgment as much as an investment. And prospect theory's loss domain: a person facing a certain realized loss becomes risk-seeking, so a gamble that might recover it dominates a certain write-off.
The Pentagon Papers are the state-scale record, and the internal analysis they contain is unusually explicit. The escalation was justified at successive points not by an assessment that the war could be won but by the cost of having fought it — the credibility already staked, the casualties already taken.
The operational instruction is a sequence rather than a request. Obtain a small commitment. Obtain a larger one that is justified by the first. Continue, so that at every point the argument for the next increment is the size of the last. The target's own history is doing the persuading, and the operator's role reduces to presenting the next step.
Every long-running fraud in Part 5 runs on this. Advance-fee fraud, chapter 137, is nothing else: each payment makes the next one rational, because abandoning it converts everything already paid into an acknowledged loss. Pig-butchering, chapter 324, is the same structure with a relationship attached. MLM inventory purchases, chapter 269, are the same structure with a community attached.
The boundary is where the escalation is designed rather than discovered. A project that turns out to need more money is an ordinary risk. A sequence constructed so that each stage exists to make the next unavoidable is a way of extracting a total the target would never have agreed to at the outset, and the operator knows the total.
The state-level version costs lives rather than money, and chapter 286's own case is the demonstration.
The counter is a pre-committed exit trigger, defined before the first payment, in writing, in terms that do not reference what has already been spent.
Countered by The Money Is Already Gone, Read the Income Disclosure