SELF-REPETITION DECREASES AUTHENTICITY 1 1 2 3 4 5 6 Twice-Told Tales: 7 Self-Repetition Decreases Observer Assessments of Performer Authenticity 8 9 Rachel Gershon  10 Washington University in St. Louis 11 12 Rosanna K. Smith  13 University of Georgia 14 15 16 17 18 19 20 Rachel Gershon (rachelgershon@wustl.edu) is a PhD candidate in Marketing at Olin Business 21 School, Washington University in St. Louis, One Brookings Dr. St. Louis, MO 63130. Rosanna 22 K. Smith (rosanna.smith@uga.edu) is an Assistant Professor at the Terry Business School, 23 University of Georgia, 630 South Lumpkin Street. Athens, GA 30602. Correspondence 24 concerning this article should be addressed to Rachel Gershon (rachelgershon@wustl.edu). 25  joint first-author Electronic copy available at: https://ssrn.com/abstract=3212778