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Chapter 2 A Brief Visit to the System Zoo (One-Stock Systems (A stock…
Chapter 2
A Brief Visit to the System Zoo
One-Stock Systems
A stock with two competing balancing loop
A Thermostat
that compete with outside temperature to maintain the room temperature
Must set the goal appropriately to account for inflow and outflow process
A Stock with one reinforcing loop and one balancing loop
Population
changes in fertility and mortality rate
Industrial Economy
physical capital and the efficiency of production and the more output produce then more can be invested
A system with delays
Business inventory like a car dealership such as inflow of cars from factories and outflow of car sales
Two Stock Systems
A Renewable Stock Constrained by a Nonrenewable stock -
an Fossil Fuels Economy
One reinforcing loop drives growth (more capital) And one balancing loop constraints it (higher extraction rate)
Dynamics of depletion says that the larger stock of initial resources, the earlier in faster economical fall
Renewable stock constrained by renewable stock
Fishing,Timber Industries
A minor change in the strength of the controlling balance loop can make a big difference
Desertification depends on the ability of a population to regenerateIn the strength of the balancing feedback
Dynamic Systems Studies
Are not designed to explore what will happen but What would happenA number of driving factors and fold in The range of different ways
Test the value of a model by asking the likelihood of system behavior