@article{publication-1612, author={Fehr, Ernst and Hart, Oliver and Zehnder, Christian}, doi={10.1162/JEEA.2009.7.2-3.561}, issn={1542-4766}, journal={Journal of the European Economic Association}, number={2-3}, pages={561-572}, publisher={MIT Press}, title={Contracts, reference points, and competition—behavioral effects of the fundamental transformation}, volume=7, year=2009, }