After a report showed that Instacart charges some customers up to 23 percent more for the same item, Lindsay Owens, executive director of the Groundwork Collaborative, urged state attorneys general to investigate the practice.

She said Instacart’s pricing experiments erode fairness and transparency in markets and harm consumers, adding that charging different prices for identical items may violate the law.

“This is why we have laws to safeguard our markets and ensure transparency. And so I really think it should be up to policymakers here to take a close look at this,” Owens said. "Attorneys General should pursue investigations of Instacart and determine whether or not these prices, these pricing experiments may already be illegal under current law."

A recent Consumer Reports investiga

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