Thinking in Systems: Feedback Loops and Delays

Thinking in Systems: Feedback Loops and Delays In 1972, Donella Meadows and her colleagues at MIT published The Limits to Growth, a systems dynamics model that simulated the interaction between population, industrialization, pollution, food production, and resource depletion. The book was controversial, criticized by economists and celebrated by environmentalists. But regardless of whether its specific predictions proved accurate, it introduced millions of people to a way of thinking that remains profoundly underutilized: systems thinking. A system is a set of interconnected elements organized to achieve a purpose. Your body is a system. A company is a system. An economy is a system. The distinguishing feature of a system, the thing that makes it more than just a collection of parts, is the relationships between those parts. And the most important relationships in any system are feedback loops. Understanding Feedback Loops Reinforcing Loops: The Engine of Growth and Collapse A reinforc