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The retail revolution and food-price mismeasurement
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Abstract
If a product sells for 3thisweekatthelocalsupermarketand2 next week, what is the "real" price? What if that same product has a different price at a different store? Thanks to scanner technology, food prices differ a lot these days because they can be changed quickly and easily. How do our official statistics take these price movements into account? Not too well, according to Leonard Nakamura. In this article, he describes the retail revolution of recent years and how it has led to mismeasurement of food pricesConsumer price indexes ; Food prices