Why Do Most Prices End in .99?

Many stores will be discounting their items and changing price tags to end in .99 during this long weekend's President's Day sales. But seeing a price end in this number is so common that shoppers hardly notice the extremely effective sales tactic.

It may seem silly to price items one cent short of a solid dollar especially when taxes will make the overall cost more than a dollar anyway but the pricing tactic has been around for at least a century, according to Lee E. Hibbett, an associate professor of marketing at Freed-Hardeman University in Henderson, Tenn. Historians can't pinpoint who established the trick, but consumer behavior experts can definitely explain why it helps move more goods.

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Remy Melina was a staff writer for Live Science from 2010 to 2012. She holds a bachelor’s degree in Communication from Hofstra University where she graduated with honors.