Despoina Alempaki presented "Tainted Nudge" at the School Students and Teachers of Economics 13th Annual Conference, which took place at the Scottish Economic Society, 30 October 2019.  This research has been funded by a NIBS small grant and is on-going.  It was first presented by Andrea Isoni at the NIBS 2018 workshop (17 to 19 September 2018, at the University of Nottingham), and an update presented at the NIBS 2019 workshop (18 to 20 September 2019).