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.
Nigsch, Stefano; Schenker-Wicki, Andrea (2015). Frontier efficiency analysis in higher education. In: Welpe, I M; Wollersheim, J; Ringelhan, S; Osterloh, M. Incentives and Performance: Governance of Research Organizations. Cham: Springer International Publishing, 155-172.