DP - MPI Library TY - BOOK PB - Max Planck Institute for Research on Collective Goods PY - 2006 CY - Bonn AU - Beckenkamp, Martin AU - Hennig-Schmidt, Heike AU - Maier-Rigaud, Frank P. T1 - Cooperation in Symmetric and Asymmetric Prisoner's Dilemma Games UR - http://www.coll.mpg.de/pdf_dat/2006_25online.pdf ER -