Huffington Post article on eCommerce research by John Byers, Giorgos Zervas, and Michael Mitzenmacher.

Using Groupon Deals? Your Yelp Rating May Suffer

Could a Groupon deal ruin your business’s reputation online?

Three computer scientists from Boston University and Harvard set out to shed light on that question last fall. They found that businesses tend to see their Yelp rankings decrease after offering a Groupon deal. That’s because Groupon subscribers give businesses on average a 12 percent lower Yelp score than non-Groupon reviewers, an analysis of over 7 million Yelp posts showed.

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