The GiveWell Blog

Guest post from David Barry about deworming cost-effectiveness

This is a guest post by David Barry, a GiveWell supporter. He emailed us at the end of December to point out some mistakes and issues in our cost-effectiveness calculations for deworming, and we asked him to write up his thoughts to share here. We made minor wording and organizational suggestions but have otherwise published…

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In memory of Aaron Swartz

Note: this post is in memory of Aaron Swartz. Aaron was a friend of and volunteer for GiveWell, and his family has recommended GiveWell for donations in his memory. We are deeply grateful for the help and support that Aaron provided during his lifetime, as well as for the outpouring of generosity that has come…

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Cash transfers vs. microloans

We’ve written that people in the developing world can get very high returns – in excess of 20% annually (and sometimes much more) – on cash transfers. We’ve previously argued that this is both plausible and empirically supported. However, it raises the question: “If people in the developing world can get such good returns on…

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