# Places to Intervene in a System

(increasing effectiveness)

### Numbers
The constants and parameters

### Buffers
The sizes of stabilizing stocks relative to their flows

### Stock-and-flow structures
The physical systems and their nodes of intersection

### Delays
The lengths of time relative to the rates of system changes

### Balancing feedback
The strength of the feedbacks relative to the impacts

### Reinforcing feedback
The strength of the gain of driving loops

### Information Flows
The structure of access to information

### Rules
The incentives, punishments, and constraints

### Self Organization
The power to add, change, or evolve system structures

### Goals
The purpose of the system

### Paradigms
The mindset out of which the system arises

### Transcending Paradigms





