Luc-Alain Giraldeau is Professor of Behavioral Ecology and Dean of the Faculty of Science at the Universite du Quebec Montreal. Philipp Heeb is Director of Research at the Centre national de la Recherche scientifiques (CNRS) in Evolutionary Ecology in the Laboratory for Evolution and Biological Diversity. Michael Kosfeld is Professor of Business Administration at Goethe University Frankfurt, where he is also Director of the Center for Leadership and Behavior in Organizations (CLBO) and the Frankfurt Laboratory for Experimental Economic Research.