There is no short-term mechanism for individual time preference to keep up with lifespans. Just evolution.
@hamandcheese extracting oil faster and making more babies faster means you win
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@sarahdoingthing Tell that to Haiti. In a dynamic setting there are clearly better and worse social discount rates. Not a race to the bottom -
@sarahdoingthing Here's some surveys of cross cultural differences in time preference. Lots of variation http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1481443 … - 1 more reply
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