Kin-based institutions as an inhibitor of economic growth. Once again, a throwback to Parsons and Murdock: community should be secondary to civilisation. One is always left wondering whether the happiness trade-offs are worth it. Effective Altruists certainly seems to think so.

little attention has been paid to the oldest and most fundamental of human institutions: kin-based institutions—the set of social norms governing descent, marriage, clan membership, post-marital residence and family organization … we establish a robust and economically significant negative association between the tightness and breadth of kin-based institutions—their kinship intensity—and economic development