Digital price labels, which are rapidly replacing paper shelf tags at U.S. supermarkets, havent led to demand-based pricing surges, according to a new study. But some shoppers, consumer advocates and lawmakers remain skeptical.

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Digital price labels, which are rapidly replacing paper shelf tags at U.S. supermarkets, havent led to demand-based pricing surges, according to a new study. But some shoppers, consumer advocates and lawmakers remain skeptical.
