Wage disparities based on gender have been outlawed in the United States for more than 50 years—yet women earn on average 84 percent of what men earn, according to the Pew Research Center. While the gender pay gap has narrowed since the 1970s, progress has stalled since about 2006. In this episode of the Big Question, Chicago Booth professors Marianne Bertrand and Waverly Deutsch discuss the gap.