The markets for altruism tag is for posts relevant to actual or potential market-like mechanisms for altruistic or charitable activities. An example would be certificates of impact.

Further reading

Aird, Michael (2020) Collection of sources relevant to impact certificates/impact purchases/similar, Effective Altruism Forum, November 15.
Many additional resources on this topic or related topics.

certificates of impact | community infrastructure | effective altruism funding | mechanism design | prize | scalably using labour | socially responsible investing