10 OCT 2016 replaced online link of the paper Schwing et al (2016) cooperation in keas by the link to the final (Open Access) version on the pages 'Publications' and 'Keas'
7 October 2016 Updated and added references connected to the discussion started by Sanchez-Amici and Amaro (2015) about BMs in primates to 'Publications'
3 August 2016 Added a link to the online version of Schwing et al - cooperation in keas (in Animal Cognition) to 'Publications'
12 July 2016 Added a reference (and pdf) to a working paper/chapter I deposited on the MPRA (RePEc) archive in which I compare biological markets with human (economic) markets to 'Publications'
For videos of the "Forbidden Circle Game", see the Vervet research page (the market experiment) and "BM: grooming in primates"
12 rue Goethe