Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Fehr, Ernst; Klein, Alexander; Schmidt, Klaus M (2001). Fairness, Incentives and Contractual Incompleteness. Working paper series / Institute for Empirical Research in Economics No. 72, University of Zurich.