Biological Market examples

grooming in primates: trading grooming for sex

a male chacma baboon grooms a female with sexual swelling

Eburru Cliffs Group, Gilgil,  Kenya

Photo: R. Noë

The idea that sex can be traded for other commodities is much older than the biological market paradigm (see also 'Mating markets'). The idea that reproduction takes place in the context of a mating market also exists at least since Darwin set the theory of sexual selection in motion. We seem nevertheless to have inspired a few people to take a closer look at exchange rates between grooming and access to sexual partners.

The careful analysis of the exchange between grooming and 'genital rubbing' among female bonobos by Anzà etal (2021) shows that this is not only about males trading grooming for sex with females.

last update: 29 SEP 2021