michaelkeenan comments on Efficient Charity: Do Unto Others... - Less Wrong

130 Post author: Yvain 24 December 2010 09:26PM

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Comment author: fischer 25 December 2010 06:55:57AM 2 points [-]

I'm bothered by the intertemporal implications of this, i.e. if I have $100 that I will spend to help the most humans possible, then I could either spend it today or invest it and spend $105 next year (assumed 5% ROR). Will I then ever spend the money on charity? Or will I always invest it, and just let this amassed wealth be distributed when I die?

Comment author: Vaniver 25 December 2010 10:56:14AM *  2 points [-]

Will I then ever spend the money on charity?

What's likely to happen is that the RoR and benefit of charity will fluctuate over time and over the size of your pot- so your pot will grow until there's a need, then you'll spend, and then it'll go back to growing. The problem is that requires active management (which is hard to continue after your death) and typically the view is that if you value warm fuzzies, you can find some charity that returns more than the RoR of profitable ventures.

There is quite a bit of warm fuzzies in generating a giant pot of cash and then endowing it to stand perpetually- but beyond stability effects I'm not sure there is much to recommend that model of charity.