The statistics on consumers evaluating the purchase of something that is $9.99 vs $10 is well proven. Switching to round number prices would cost retailers a w

The statistics on consumers evaluating the purchase of something that is $9.99 vs $10 is well proven. Switching to round number prices would cost retailers a whole lot more. https://www.sciencedirect.com/science/article/pii/S0022435996900135 https://www.sciencedirect.com/science/article/pii/S002243599... https://www.researchgate.net/publication/23547242_Penny_Wise_and_Pound_Foolish_The_Left-Digit_Effect_in_Price_Cognition https://www.researchgate.net/publication/23547242_Penny_Wise... https://www.sciencedirect.com/science/article/pii/S0022435905000813 https://www.sciencedirect.com/science/article/pii/S002243590...