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Small price differences can make options seem more similar, easing our buying decisions

Some retailers, such as Apple's iTunes, are known for using uniform pricing in an effort to simplify consumers' choices and perhaps increase their tendency to make impulse purchases. But other stores, like supermarkets, often have small price differences across product flavors and brands. As counterintuitive as it might seem, these small price differences may actually make the options seem more similar, easing our decision to buy, according to new research.
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