Whether we’re looking at appliances on Amazon or hotels on booking sites, we all scan reviews before clicking “add to cart.” Virtually all websites selling products or services invite consumers to leave product feedback, in the hope the comments will help induce other shoppers to buy. But while plenty of academics study product reviews, Professor Wagner Kamakura has studied the reviewers themselves.
Read MoreMiddle Class: Most Americans say they expect to live middle class lives. Kamakura’s findings, however, show that since 1982 it has become harder and harder to stay in middle lane.
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