To people who conceive of consequential knowledge as concentrated in a highly educated few with high IQs, specifying particular outcome goals for a whole society may seem far more doable than to people who see vast amounts of consequential knowledge as highly diffused among the people at large, in individually unimpressive fragments. It may be virtually impossible for any given individual, or any manageable number of surrogate decision-makers collectively, to take all the factors into account. But where decisions are made by vast numbers of individuals transacting in a marketplace, each with
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