This case is set in early 2011 after a period of incredible customer and revenue growth for Groupon. Reviewing Groupon's rise, the case explores whether Groupon promotions are really good for local merchants, whether Groupon can continue to thrive amid increasingly intense competition, and the...

Although researchers have documented instances of crowd wisdom, it is important to know whether some kinds of judgments may lead the crowd astray, whether crowds’ judgments improve with feedback over time, and whether crowds’ judgments can be improved by changing the way judgments are...