John Jerrim, Phil Parker, and Nikki Shure, «Bullshitters. Who Are They and What Do We Know about Their Lives?», IZA Institute of Labor Economics, DP No. 12282, April 2019, ; Christopher Ingraham, «Rich Guys Are Most Likely to Have No Idea What They’re Talking About, Study Suggests», Washington Post, April 26, 2019, .
