Andreas Ortmann (born 28 January 1953 in Oerlinghausen, North Rhine-Westphalia, Germany) is a German-born economist and Professor of Experimental and Behavioural Economics at the UNSW Business School.
He obtained his BA in Political Economics and Mathematics from the Bielefeld University in 1980, his MS in economics from the University of Georgia under the advisory of Donald C. Keenan, Martin Hillenbrand and Janet C. Hunt in 1987, and his PhD in economics from the Texas A&M University in 1991 with a dissertation titled "Essays on Quality Uncertainty, Information, and Institutional Choice", under the advisory of Steven N. Wiggins and Raymond C.
He also had spells as visiting scholar at the Yale University and Harvard Business School, and worked at the Max Planck Institute for Psychological Research and at the Max Planck Institute for Human Development.
[5][2] Ortmann's notable co-authors include Gerd Gigerenzer, Daniel Goldstein, Reinhard Selten, Werner Güth, Giovanna Devetag, Pavlo Blavatskyy, Elisabet Rutström, John Van Huyck, Ralph Hertwig, Peter M. Todd, Andreas Blume, Valentyn Panchenko, Dmitry Ryvkin, Leonidas Spiliopoulos, Le (Lyla) Zhang, Dirk Engelmann, and Ben R.
[6] He was nominated for the Ig Nobel Prize for his work (with Berhard Borges, Daniel Goldstein and Gerd Gigerenzer) on heuristics in financial markets.