Psychological Pricing
Updated 2026-08-02
INTRODUCTION
English translation pending.
CORE DEFINITION
A pricing practice grounded in consumer psychology research. Prices ending just below a round number, such as 9.99 rather than 10.00, are perceived as substantially cheaper because consumers attend to the leftmost digit and truncate rather than round. Other techniques include anchoring against a high reference price and using round numbers to signal premium quality. The effect varies by category, with charm pricing working better for value goods than for luxury ones.
SCAFFOLDING EFFECT
Reduce cognitive load
- Read the digits: attend to the leftmost digit when judging a price, and correct for the truncation - Choose the signal: use charm endings for value positioning and round numbers for premium positioning - Anchor deliberately: set a reference price that makes the target price look reasonable
Anchor fast decisions
Numerals are processed from left to right, and the leading digit dominates the initial magnitude estimate. A price of 9.99 registers first as a nine rather than as a ten, and the adjustment toward the true value is insufficient. Because the perception happens during encoding, consumers rarely correct for it even when they know the practice exists.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Psychological_pricingverified
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