CONCEPT
The underlying mechanics of asking and getting.
Negotiation is the process of establishing whether a deal exists that both sides prefer to no deal, and then deciding where inside that range it lands. It is not persuasion and it is not confidence. Most of the outcome is fixed before anyone speaks: by your alternatives, by theirs, by what the compensation structure permits, and by whether the person across from you can actually approve the thing. Asking well moves you within the range. It rarely moves the range itself.
Fisher and Ury named the floor: your BATNA, the best alternative to a negotiated agreement. If your alternative is a competing offer, your floor is that offer. If your alternative is staying where you are, your floor is your current package, and both of you know it.
Note the asymmetry. You can improve your own alternative through work done weeks earlier. You can almost never improve it during the conversation. Leverage is manufactured in advance, and the negotiation is where you find out how much of it you built.
The ceiling is usually structural rather than personal. Bands, levels, internal equity against people already in the role, approval thresholds, whether the budget cycle has closed. A hiring manager who likes you a great deal and a hiring manager who tolerates you often have the same top number available.
They are not deciding whether you are worth it. They are solving a constrained problem with several terms in it: filling the seat, not setting a precedent that breaks the band, not spending approvals they would rather save, and closing before the candidate pipeline goes cold.
This is why the most productive question in the room is some version of *what would you need in order to approve that?* It converts the exchange from a contest over one number into a joint attack on their constraint. Sometimes the constraint is real and the base cannot move, but signing bonus, start date, level, title, equity refresh, or review timing can. Sometimes it is not real and naming it dissolves it.
The strongest thing you can say in a negotiation is a true sentence about your alternatives. Everything else is decoration on top of that sentence.