This is a linkpost for https://www.youtube.com/watch?v=GjY5lqdI4tY&list=PLwp9xeoX5p8OoBBqv8t7JhVcgbjtXq3f7&index=11
In this EA Student Summit 2020 talk, Zach Robinson talks about why, when, and how to use "back of the envelope calculations" (BOTECs) to inform altruistic decision-making and walks through an example to demonstrate key concepts.
In the future, we may post a transcript for this talk, but we haven't created one yet. If you'd like to create a transcript for this talk, contact Aaron Gertler — he can help you get started.