@unpublished{publication-18182, author={R{\"u}disser, Maximilian Valentin and Flepp, Raphael and Franck, E}, institution={University of Zurich}, issn={2296-0422}, number=369, pages=40, series={UZH Business Working Paper Series}, title={When do reference points update? A field analysis of the effect of prior gains and losses on risk-taking over time}, year=2017, }