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Prices and knowledge: A market-process perspective

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116 <strong>Prices</strong> <strong>and</strong> <strong>knowledge</strong>main virtue of <strong>market</strong>s in the fact that they keep situationsinformationally simple for individuals by generating prices that serveas information summaries (as emphasized by Simon) <strong>and</strong> byoperating with decentralized units that face smaller informationalproblems (as emphasized by Nelson). As prices are not ‘perfect’summaries, as decentralized private firms may face co-ordinationproblems, <strong>and</strong> as planning systems can also be decentralized, thisapproach does not seem to show the <strong>market</strong> system as an alternativewith net informational advantages. This is in contrast to anentrepreneurial approach. The underst<strong>and</strong>ing it provides of the<strong>knowledge</strong> problem, <strong>and</strong> of the consequent need for a discoveryprocedure, shows the <strong>market</strong> system as having an advantage in thisregard <strong>and</strong> highlights difficulties with any type of planning thatremain to be solved satisfactorily by its proponents.

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