(increasing effectiveness)
The constants and parameters
The sizes of stabilizing stocks relative to their flows
The physical systems and their nodes of intersection
The lengths of time relative to the rates of system changes
The strength of the feedbacks relative to the impacts
The strength of the gain of driving loops
The structure of access to information
The incentives, punishments, and constraints
The power to add, change, or evolve system structures
The purpose of the system
The mindset out of which the system arises