Dai, Weijia; Jin, Ginger; Lee, Jungmin; Luca, Michael - Harvard Business School, Harvard University - 2012
Consumer review websites leverage the wisdom of the crowd, with each product being reviewed many times (some with more than 1,000 reviews). Because of this, the way in which information is aggregated is a central decision faced by consumer review websites. Given a set of reviews, what is the...