john fernbach wrote:
> But the fact is that if we knew with almost 100% certainty that the
> Battle of Armageddon and the end of the world would occur 600 years
> from now * unless we took some moderately costly steps to prevent it
> today, it would be "economically rational" not to take the steps
> today. Because using the discounted present value method, the value
> of doing something to save the world 600 years from now is just about
> 0 today.
Actually, I don't think this is true, if one assumes a nonlinear utility
function (which is reasonable).
James
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