Reinforcing loops, also known as positive feedback loops, amplify changes within a system ... These loops are essential for systems to remain stable, such as in homeostasis in biological systems, ...

Aknin, Lara B., Elizabeth W. Dunn, and Michael I. Norton. "Happiness Runs in a Circular Motion: Evidence for a Positive Feedback Loop between Prosocial Spending and Happiness." Journal of Happiness ...