Provide 1 example for each system type. Please use examples other than the ones listed below thank you.

For example:

One Stock Systems

• A stock with two competing balancing loops: A thermostat
• A stock with one reinforcing loop and one balancing loop: Population and Industrial Economy
• A system with Delays: Business Inventory

Two Stock Systems

• A Renewable Stock Constrained by a Nonrenewable Stock: An Oil Economy
• Renewable Stock Constrained by a Renewable Stock: A Fishing Economy