Can you trust you're getting the same grocery prices as someone else?

你能确信你得到的价格与其他人一样吗?

The Indicator from Planet Money

2026-01-07

9 分钟
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When you're in a grocery store nowadays, chances are your data is being collected. From a swipe of the loyalty card to the purchase of an ice cream pint, your data tells stores what you like, how much they should stock, and more.  But what if that data meant a grocer could charge you a different price than another shopper? On today's show, the evolving price tag.   Related episodes: Should 'surveillance pricing' be banned?  How Grocery Shelves Get Stacked  How niche brands got into your local supermarket For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at plus.npr.org. Fact-checking by Sierra Juarez. Music by Drop Electric. Find us: TikTok, Instagram, Facebook, Newsletter. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy
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  • NPR.

  • This is the indicator from Planet Money.

  • I'm Waylon Wong.

  • And I'm Steven Massaha.

  • And Waylon, I have a confession.

  • I love grocery shopping.

  • Me too!

  • It's like my weekend activity.

  • I mean it's so fun.

  • I mean it's the place where you could like buy crispy chili flakes and like a light bulb.

  • There's like aisle after aisle fresh fruit and I love a bakery section.

  • Yes, and every purchase of a croissant or a box of ice cream bars provides the store with data.

  • Data that's used to figure out how much to stock and how much to charge.

  • Most of this data gathering is pretty passive.

  • You weigh your lettuce, scan your card, and bam, new data.

  • But recently, some grocery stores took that a step further.

  • They gathered data by charging some customers more than others.

  • On today's show, How much can you really trust you're getting the same price tag as someone else?

  • We look at research and how grocers charge different customers,

  • different amounts for the same items on the shopping platform, Instacart.