The Yoruba Tribe in Nigeria is credited with the origination of “esusus”, commonly referred to as “sou-sous” in the United States. They’re community-based savings clubs, where members contribute an equal amount of money periodically over a “cycle” and gain the right to withdraw the total monthly contributions once per cycle. Esusus can be dated back to the 1770s when the system was used by Oyo traders. In the case where twenty-four community members contribute $100 per month for a twenty-five...