
Clearer Thinking with Spencer Greenberg Beyond saving lives: happiness and doing good (with Michael Plant)
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Sep 17, 2025 In this engaging discussion, Michael Plant, Founder of the Happier Lives Institute and post-doctoral researcher at Oxford, dives into the realms of happiness and charity evaluation. He examines the balance between moment-to-moment happiness and life satisfaction when guiding philanthropic efforts. Michael critiques traditional metrics like QALYs/DALYs and reveals gaps in charity effectiveness focused on wellbeing. He also delves into the moral complexities of prioritizing interventions, such as treating depression versus providing clean water, urging donors to consider happiness-based strategies.
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Compare Charities By Well-Being Per Dollar
- Use well-being per dollar (WellBe) to compare interventions across domains, not just health-focused metrics.
- Gather RCTs and monitoring data, convert effects into WellBe units, and compare cost-effectiveness across charities.
Huge Effectiveness Gaps Exist
- Well-being based comparisons reveal enormous cost-effectiveness gaps between charities, often hundreds of times.
- Plant found the top charities can be ~150x more effective than typical UK charities in WellBe per dollar.
Public Underestimates Charity Differences
- Many donors underestimate differences; public surveys think top charities are only ~3x better than average.
- Plant suggests lack of transparent comparative evidence explains low public urgency for cause prioritization.

