Starve a person on day, they lie.
Starve a person two days, they steal.
Starve a person three days, they kill.
All economies are a hierarchy, and any node or leaf can be cutoff. These cutoffs on mainly on purpose from high leafs and nodes. Reintegration is usually not possible until a node or leaf higher up the hierarchy confronts the greedy nodes or leaf or reintegrates the lost entity themselves.