Bracketing structures a series of offers so that the seemingly fair compromise — the midpoint between the two sides — lands on the mover’s actual target. It marries anchoring (Galinsky; Kahneman & Tversky) to the human pull toward compromise: because “splitting the difference” feels equitable, a negotiator who can control both the distance and direction of the endpoints can steer the “fair middle” wherever they like. If their true goal is a given number, they open far enough on the other side that the eventual split arrives precisely there, while the outcome wears the costume of mutual concession.
This is standard, largely benign bargaining behavior — nearly everyone opens away from their target and expects to move, and there’s nothing dishonest about aiming for a favorable middle. It becomes manipulative when the opening is extreme specifically to distort the reference point and the counterpart is pushed toward a reflexive split before independently evaluating either figure. The tell is a midpoint that is suspiciously convenient, an aggressive first number that makes a still-favorable middle look moderate by contrast, and a fairness framing (“let’s just meet in the middle”) offered in place of any evidence about actual worth.
The defense is to anchor to reality rather than to their geometry. Come in with a researched target and reservation value so that offers are judged against objective worth, not against the counterpart’s opening. Decline to treat a midpoint as neutral — it is fair only when both endpoints are honest — and if the opening is extreme, re-anchor the range with your own well-justified number so any future split reflects the item’s real value. Kept on objective criteria, the conversation is about worth, and the bracketing math loses its grip.