Decision Trees and Expected Value: Choosing Under Uncertainty
Sketch a decision tree for competing paths, like refinancing now versus waiting, or index fund simplicity versus a factor tilt. A couple used a simple tree to compare five-year outcomes after fees and taxes; the visualization exposed an emotional bias toward complexity. Try this today and share your tree for feedback.
Decision Trees and Expected Value: Choosing Under Uncertainty
Use base rates first, then adjust with new evidence. Instead of guessing market returns, start with long-run data, then modestly tilt for current valuations. Update as new signals arrive, avoiding overconfidence. We will publish monthly base-rate snapshots; subscribe to receive them and practice probability calibration on your own decisions.