Why you'll buy an item for $4.99, but not $5.00

The Hustle··8 min read
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AI Summary

This newsletter explores the history and psychology of charm pricing — the practice of ending prices in non-zero digits like .99 — tracing its origins to the invention of the cash register in 1879. It explains the 'left-digit effect,' a cognitive bias that causes consumers to anchor on the first digit of a price, making $4.99 feel significantly cheaper than $5.00. The piece also touches on the modern relevance of charm pricing as the US has stopped producing pennies, raising questions about its future.

Key Facts

✓Charm pricing (ending prices in .99) originated in 1879 as an anti-theft mechanism in cash registers, forcing clerks to open the register for every transaction.
✓The left-digit effect — studied by Cornell's Manoj Thomas — causes consumers to anchor on the first digit, making $2.99 feel closer to $2.00 than $3.00, a bias that persists even when you're aware of it.
✓The US stopped producing pennies in 2025, sparking proposed legislation to round cash prices at the register, but retailers show little appetite to abandon charm pricing.

Author Takes

BearishThe Hustle

Future of charm pricing after penny elimination

Despite the US eliminating the penny in 2025, retailers are unlikely to abandon charm pricing because the perceived costs of giving it up are too great.

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