@puellavulnerata @CTZN5 @sarahdoingthing barter is only found in societies that had money before, interestingly
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@concutere they are both extremely useful abstractions with high predictive powerThanks. Twitter will use this to make your timeline better. UndoUndo
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I guess geographic coincidence of wants is not just cognitive
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@sarahdoingthing Well, the benefits are best understood in terms of extended cognition. So if cost = opportunity cost, then yes. -
@sarahdoingthing My stab at answering that question is here: http://cameronharwick.com/blog/money-and-its-institutional-substitutes/ …
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