 This is Freakonomics Radio with your host, Stephen Dubner. The Cornell health economist John Cawley recently teamed up with five co-authors on a research paper. The co-authors are Julia Edel Battelle, Scott Cunningham, Matt Eisenberg, Alan Mathews, and Rosemary Avery. The paper is called The Role of Repugnance in Markets, How the Jared Fogle Scandal Affected Patronage of Subway.