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For high-priced products, however, the opposite is true. For things like laptops or other big-ticket items, framing price reductions in dollar terms (rather than percentage terms) makes them seem like a better offer.
Jonah Berger • Contagious: Why Things Catch On
github.com • Open Source Does Not Win by Being Cheaper
For example, why does water, which is essential for life, cost nothing, while diamonds, which are mere ornaments, are highly valued? The resolution to this problem turned out to be in the effects of scarcity: goods whose supply is low relative to demand will command a higher price than goods whose supply is abundant relative to demand.
Philip Auerswald • The Coming Prosperity: How Entrepreneurs Are Transforming the Global Economy
In other words, the higher the listing price—the first price they saw—the higher the estimated price.
Dan Ariely • Dollars and Sense
stratechery.com • The Super-Aggregators and the Russians

The price of payments
open.substack.com
varying price sensitivities.
Sunil Gupta • Driving Digital Strategy: A Guide to Reimagining Your Business
Most remarkable of all, however, was that each book was priced according to Amazon’s website algorithm, which adjusts prices in real time based on supply and demand.