Maintenance work on the ZORA database servers is scheduled for Thursday 25th July 2019 from 19:00-20:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Fehr, Ernst; Hart, Olive; Zehnder, Christian (2011). How do informal agreements and renegotiation shape contractual reference points? Working paper series / Department of Economics No. 43, University of Zurich.