The barista gives you your coffee and change, and you walk away from the busy line. But you suddenly realise she gave you $1 less than she should have. Do you brush your way past the people now waiting, or just accept this as a dollar you’re never getting back?

According to philosophy Professor Hilary Greaves - Director of Oxford University's Global Priorities Institute, this simple decision will completely change the long-term future by altering the identities of almost all future generations.

This conversation from 2018 blends philosophy with an exploration of the mission and research agenda of the Global Priorities Institute: to develop the effective altruism movement within academia.

Full transcript, related links, and summary of this interview

This episode first broadcast on the regular 80,000 Hours Podcast feed on October 23, 2018. Some related episodes include:

• #16 – Dr Hutchinson on global priorities research & shaping the ideas of intellectuals
• #42 – Amanda Askell on moral empathy, the value of information & the ethics of infinity
• #67 – Dave Chalmers on the nature and ethics of consciousness
• #68 – Will MacAskill on the paralysis argument, whether we're at the hinge of history, & his new priorities
• #72 – Toby Ord on the precipice and humanity's potential futures
• #86 – Hilary Greaves on Pascal's mugging, strong longtermism, and whether existing can be good for us

Series produced by Keiran Harris.

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