Which pricing strategy was discovered to increase sales by leveraging psychological thresholds, and was first widely implemented by Macy's department store in the late 19th century?

Throughout retail history, certain pricing innovations have fundamentally transformed how products are sold and perceived by consumers. These strategic discoveries weren't just mathematical formulas—they were psychological insights that leveraged human behavior patterns to drive sales. This poll tests your knowledge of one of the most influential pricing strategies ever devised and the science behind why it works so effectively across virtually all retail sectors today.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Charm pricing (prices ending in 9, like $9.99)
Dynamic surge pricing (prices that change based on demand)
Bundle pricing (buying multiple items at a discount)
Prestige pricing (deliberately high prices to signal quality)