Psychology
Anchoring Bias in Negotiation and Price Setting
Quick fact
In a classic study, asking people whether the Mississippi River was longer or shorter than 200 miles made them guess lower than when they were asked about 2,000 miles—even though both numbers were arbitrary.
Why this is interesting
You walk into a car dealership and the salesperson quotes a price double your budget. You laugh it off, but somehow you end up paying more than you planned. Why does that ridiculously high starting number still pull you toward it?
Read the full explanation
Understanding Anchoring Bias in Negotiation and Price Setting
Imagine you're haggling at a flea market. The seller says "This vase is $100," which becomes your anchor. Even if you counter with $40, your final price might end up at $60—a compromise that feels reasonable but is still above what you'd have paid if the seller had started at $50. Anchoring works because the first number sets a mental reference point that you adjust from, but the adjustment is usually insufficient. Your brain clings to the initial number, and all subsequent judgments are biased toward it. This happens not only in prices but in salaries, legal damages, and even answers to trivia questions.
A deeper explanation
Anchoring bias is rooted in the way our brains process information. When we encounter a number, it triggers a process of 'anchoring and adjustment.' We start from that number and make incremental changes, but we rarely move far enough away from it. The initial offer or price acts as a mental shortcut, or heuristic, that simplifies complex decisions. This bias is strengthened by the ambiguity of the value: when we don't know a fair price, we rely more heavily on the anchor. In negotiations, this means the first offer can create a self-fulfilling prophecy—it anchors the entire bargaining range. Even arbitrary numbers (like a random discount) can sway our judgments. This is why savvy negotiators use extreme anchors to pull outcomes in their favor, and why being aware of anchoring can help you set your own reference points and avoid being manipulated. The effect is so robust that it persists even when the anchor is obviously irrelevant, because our brains often fail to correct for it.