Policy choices often involve several goals at once. Making those goals explicit can help a discussion move beyond slogans and toward the assumptions behind a proposal.
Name the goals and the limits
Consider who benefits, who bears costs, how quickly outcomes may appear, and what evidence could change our view. These questions do not remove disagreement; they can make disagreement more productive.
A model is a way to make assumptions visible, not a substitute for reality.
The companion simulator on this site uses illustrative assumptions only. Its numbers are not forecasts or policy advice.