By Jonathan B. Wight
Readers of this blog know that I am a fan of the evolutionary biologist David Sloan Wilson (e.g., see here). He and economist John Gowdy have teamed up to write an interesting paper on the invisible hand and evolution.
A special issue of the Journal of Bioeconomics 17 (1)(April 2015) contains a number of interesting articles.
In “Human Ultrasociality and the Invisible Hand”
Wilson and Gowdy identify the features that in an evolutionary sense would allow for the invisible hand to operate.
In contrast to traditional views, the authors show that group level evolution can be a powerful force in “ultrasocial” environments, which they claim human development to entail:
“One of the most important developments in evolutionary thought since the 1960’s is the discovery that individual organisms are themselves highly integrated social groups that evolved by between-group selection…."
"Like any other major transition, the human transition required the suppression of dysfunctional forms of selection within groups, making benign forms of within-group selection and between-group selection the dominating evolutionary forces. In humans, the psychological dispositions, informal norms, and formal institutions associated with morality have precisely this effect. The moral sentiments, as Adam Smith (1759) called them, include an other-oriented dimension such as sympathy and empathy and a coercive dimension such as norms enforced by punishment and status based on good conduct (reputation) rather than coercive power. The two dimensions go together because without the second, the first would be vulnerable to exploitation…."
"Other primate species are intelligent, but their intelligence is predicated upon distrust, which prevents teamwork. Human intelligence is predicated upon trust, which makes myriad forms of teamwork possible…."
"Human ultrasociality provides a new theoretical foundation for managing human affairs…."
The authors discuss the interaction of evolution with culture, and argue that while polygamy was a dominant social practice in antiquity (when women sought survival by marrying the richest guy in town, even if he had other wives), monogamy has won the cultural evolutionary wars: all rich modern societies are monogamous because it allows for more males to reproduce. This argument may seem moot in the current demographic environment, in which reproduction is getting further and further delayed, and fewer and fewer people are choosing marriage commitments.
Nevertheless, the article provides a tantalizing look into the way that economics is being influenced by biology, but not in the way traditionally thought. The tradition view of “survival of the fittest” individual is giving way to “survival of the fittest” group, in which socialization and ethical norms play powerful roles in giving rise to a successful economy and society.