The Imitation Game: Learned Reciprocity in Markov games. - Tom Eccles; Edward Hughes 001; János Kramár; Steven Wheelwright; Joel Z. Leibo (AAMAS, 2019)

Malthusian Reinforcement Learning. - Joel Z. Leibo; Julien Pérolat; Edward Hughes 001; Steven Wheelwright; Adam H. Marblestone; Edgar A. Duéñez-Guzmán; Peter Sunehag; Iain Dunning; Thore Graepel (AAMAS, 2019)

Learning Reciprocity in Complex Sequential Social Dilemmas. - Tom Eccles; Edward Hughes 001; János Kramár; Steven Wheelwright; Joel Z. Leibo (CoRR, 2019)