Doing Good Better: Effective Altruism and a Radical New Way to Make a Difference by William MacAskill Summary

1. Effective altruism maximizes impact through evidence-based giving and career choices
2. William MacAskill's five-question framework evaluates charitable effectiveness using counterfactual reasoning
3. Cost-effectiveness per dollar matters more than emotional appeal in philanthropy
4. Career selection can generate 10x more social impact than typical donations
5. Global poverty interventions should prioritize proven methods like malaria nets
6. Counterfactual analysis reveals hidden consequences of consumer choices and donations
7. "Neglectedness" principle targets underfunded causes for maximum marginal value
8. Corporate social responsibility often underperforms direct effective donations
9. GiveWell's charity evaluations demonstrate rigorous cost-per-life-saved metrics
10. Earn-to-give careers balance personal fulfillment with systemic social impact
11. Effective altruists use expected value calculations for uncertain long-term bets
12. MacAskill's "scale/tractability/neglectedness" triad optimizes cause prioritization strategies

『Doing Good Better』の著者について

William MacAskill, author of Doing Good Better and a leading philosopher in the effective altruism movement, is an associate professor at the University of Oxford and co-founder of nonprofits like Giving What We Can and 80,000 Hours.

His book blends philosophy, ethics, and data-driven analysis to explore how individuals can maximize their positive impact through charitable giving, career choices, and systemic change. A pioneer in moral decision-making frameworks, MacAskill’s academic work on normative uncertainty and global priorities informs the book’s practical guidance on evaluating causes by scale, solvability, and neglect.

He expanded these ideas in What We Owe The Future, which examines longtermism and humanity’s moral responsibility to future generations. MacAskill’s research has been featured in The New York Times and The Guardian, and his TED Talk on effective altruism has garnered millions of views.

The organizations he helped establish have redirected over $300 million to high-impact charities, cementing his influence as a leading voice in ethical philanthropy.

『Doing Good Better』に関するよくある質問

What is Doing Good Better about?

Doing Good Better by William MacAskill explores effective altruism, a data-driven approach to maximizing positive global impact. It introduces five questions to evaluate charitable actions, emphasizing cost-effectiveness, evidence-based solutions, and neglected areas. Examples like the failure of PlayPump and the success of deworming programs illustrate how small, strategic efforts can outperform well-intentioned but inefficient initiatives.

Who is William MacAskill?

William MacAskill is an Oxford philosopher, co-founder of nonprofits like Giving What We Can and 80,000 Hours, and a leading figure in the effective altruism movement. He advocates for using evidence to optimize charitable giving and career choices. His other works include What We Owe The Future and Moral Uncertainty.

Who should read Doing Good Better?

This book suits philanthropists, nonprofit professionals, and anyone seeking to maximize their social impact. It offers actionable frameworks for evaluating charities, career paths, and donations. MacAskill’s focus on data over intuition makes it ideal for analytical readers aiming to align their resources with high-efficacy causes.

What are the five key questions in Doing Good Better?

1. Impact: How many people benefit, and by how much?
2. Effectiveness: Is this the most effective intervention?
3. Neglect: Is the cause underfunded or overlooked?
4. Counterfactuals: What would happen without your involvement?
5. Success likelihood: What’s the probability of achieving results?

These questions help prioritize actions with the greatest net benefit.

How does Doing Good Better address charity cost-effectiveness?

The book argues that cost-effectiveness varies drastically between interventions. For example, deworming programs improve school attendance at $3.50 per child, while textbook donations show minimal impact. MacAskill urges donors to compare outcomes per dollar, favoring initiatives like global health campaigns over feel-good projects.

What career advice does Doing Good Better provide?

MacAskill promotes “earning to give”: pursuing high-income careers to fund impactful charities. He highlights 80,000 Hours, a nonprofit he co-founded, which guides individuals toward roles in fields like AI safety or global health policy. The goal is to maximize lifetime contributions through strategic career choices.

What criticisms does Doing Good Better face?

Critics argue the book overlooks local community impact and prioritizes global-scale interventions. Some question its utilitarian focus, which may undervalue systemic change or emotional connections to causes. MacAskill acknowledges these limits but maintains that effective altruism’s principles adapt to new evidence.

What are key quotes from Doing Good Better?

• “The key question is not ‘How can I help?’ but ‘How can I help the most?’”
• “A life dedicated to doing good is a life well-lived.”

These emphasize intentionality and measurable outcomes over symbolic gestures.

How does Doing Good Better compare to The Life You Can Save?

Both advocate evidence-based giving, but MacAskill’s work delves deeper into career optimization and systemic neglect. While Peter Singer focuses on moral obligations, MacAskill provides frameworks for quantifying impact across donations, volunteering, and professional choices.

Why is Doing Good Better relevant in 2025?

As global challenges like AI ethics and climate change intensify, the book’s principles help navigate complex trade-offs. Its emphasis on data and scalability aligns with growing demand for transparency in philanthropy, making it a blueprint for tackling 21st-century problems.

What charities does Doing Good Better recommend?

MacAskill highlights organizations like the Against Malaria Foundation and GiveDirectly, which excel in cost-effectiveness and rigorous evidence. He advises donors to use platforms like GiveWell to identify top-performing global health and poverty alleviation initiatives.

How does Doing Good Better define effective altruism?

Effective altruism combines empathy with evidence, using tools like quality-adjusted life years (QALYs) to measure impact. It prioritizes interventions that save or improve the most lives per dollar, advocating for a mindset shift from “doing good” to “doing good better”.