When tempted to use a pro-con list, consider upgrading to a cost-benefit analysis or decision tree as appropriate. When making any quantitative assessment, run a sensitivity analysis across inputs to uncover key drivers and appreciate where you may need to seek greater accuracy in your assumptions. Pay close attention to any discount rate used. Beware of black swan events and unknown unknowns. Use systems thinking and scenario analysis to more systematically uncover them and assess their impact. For really complex systems or decision spaces, consider simulations to help you better assess what
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