Extended Data Fig. 1: Diminishing returns can allow the invasion of cooperative drifting.
From: Diminishing returns drive altruists to help extended family
a, The parameter T captures the level of diminishing returns in the model. b, Candidate equilibrium levels of drifting predicted by Eq. 3 of the main text, for illustrative values: d=0.5, x=0.75, Ï•=1, z=0.25.
