Explaining the mechanism of social evolution driven by gift giving (IMAGE)
Caption
Schematic of gift-giving interaction. The donor endows a gift to the recipient. If the recipient reciprocates by adding interest within a certain time limit, the donor and recipient have an equal friendship. However, if the recipient cannot reciprocate appropriately, the recipient becomes subordinate to the donor.
Credit
Kaneko and Itao, CC-BY 4.0, https://creativecommons.org/licenses/by/4.0/)
Usage Restrictions
Credit must be given to the creator.
License
CC BY