Walmart and Amazon are fighting for customers, and Whole Foods is serving as the latest battleground.

And, the two retail giants’ strategies say a lot about the American economy.

When Amazon’s acquisition of Whole Foods formally went through in August, the e-commerce giant immediately made some changes — most notably, significant price cuts.

The changes attracted new customers. Foot traffic to Whole Foods increased 17% year-over-year following the acquisition, according to mobile phone location data collected by data intelligence firm Thasos Group. Average daily foot traffic for new customers skyrocketed 33% relative to the previous week.

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