TY - JOUR AU - Guvenen, Fatih AU - Kaplan, Greg TI - Top Income Inequality in the 21st Century: Some Cautionary Notes JF - National Bureau of Economic Research Working Paper Series VL - No. 23321 PY - 2017 Y2 - April 2017 DO - 10.3386/w23321 UR - http://www.nber.org/papers/w23321 L1 - http://www.nber.org/papers/w23321.pdf N1 - Author contact info: Fatih Guvenen Department of Economics University of Minnesota 4-101 Hanson Hall 1925 Fourth Street South Minneapolis, MN, 55455 Tel: 612-6250767 E-Mail: fatihguvenen@gmail.com Greg Kaplan Department of Economics University of Chicago 1126 E 59th St Chicago, IL 60637 E-Mail: gkaplan@uchicago.edu AB - We revisit recent empirical evidence about the rise in top income inequality in the United States, drawing attention to four key issues that we believe are critical for an informed discussion about changing inequality since 1980. Our goal is to inform researchers, policy makers, and journalists who are interested in top income inequality. ER -