- Understand Patterns
- Predict Points
- Produce Bounds
- Range of possibilities
- Retrodiction
- What was the past like?
- Predict Other Stuff
- Model showed another planet present even though it couldn't be seen
- Inform data collections
- What data should I be collecting?
- Estimate Hidden Parameters
- What are the hidden parameters in the model?
- Calibrate
- Realtime Decision Aids
- Monty Hall Problem
- Comparative Statics
- What is likely to happen given event
- Economic supply/demand model
- Counterfactuals
- What would have happened?
- Examine what may have happened without the Job's Stimulas Bill
- Identify and Rank Levers
- Lots of choices, what is the best?
- Experimental Design
- Design experiments
- Institutional Design
- Should there be a market or democracy?
- Mount Righter Diagram (incorrect spelling)
- Help Choose Among Policies and Institutions
- What policy should I choose?