JamesAndrix comments on Logical Rudeness - Less Wrong

65 Post author: Eliezer_Yudkowsky 29 January 2010 06:48AM

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Comment author: JamesAndrix 29 January 2010 04:49:06PM 1 point [-]

Really, we should be trying to look at the total effects of any given expenditure. (including where we get the money from in the first place, if that's variable)

But to simplify:

If spending $100 in a certain way benefits 10 parties as much as giving them $20 would, each could argue that it would be more efficient (by a factor of 5!!) to just give them the $100. But if you care roughly equally for all the parties, it would really be only half as good.

Comment author: ciphergoth 29 January 2010 05:21:33PM *  3 points [-]

The only such defence worthy of our attention is one where the speaker is prepared to explicitly state a guess at the dollar value of each advantage and show that the sum is greater than the cost spent.

Comment author: Eliezer_Yudkowsky 29 January 2010 07:58:52PM 2 points [-]

Or where the sum advantage is obvious compared to the next best alternative, without formally computing expected value.

Comment author: JamesAndrix 29 January 2010 05:55:24PM 0 points [-]

Agreed