The research focused on a model where small, interconnected subgroups operate within larger populations, allowing decisions to emerge through a structured, bottom-up process. This network-based model enables populations to make complex decisions efficiently while still reflecting the will of the broader group.

“Our findings highlight the value of decentralized, structured decision-making,” noted Cohen, who is also associate professor of Environmental Health Sciences at Columbia Mailman School of Public Health. “The way these groups are organized – and the connections between them – can fundamentally shape the outcomes.”