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COARSE, EFFICIENT DECISION-MAKING

机译:粗糙,高效的决策

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摘要

To minimize the cost of making decisions, an agent should use criteria to sort alternatives and each criterion should sort coarsely. To decide on a movie, for example, an agent could use one criterion that orders movies by genre categories, another by director categories, and so on, with a small number of categories in each case. The agent then needs to aggregate the criterion orderings, possibly by a weighted vote, to arrive at choices. As criteria become coarser (each criterion has fewer categories) decision-making costs fall, even though an agent must then use more criteria. The most efficient option is consequently to select the binary criteria with two categories each. This result holds even when the marginal cost of using additional categories diminishes to 0. The extensive use of coarse criteria in practice may therefore be a result of optimization rather than cognitive limitations. Binary criteria also generate choice functions that maximize rational preferences: decision-making efficiency implies rational choice.
机译:为了最大程度地降低做出决策的成本,代理应使用标准对替代方案进行排序,并且每个标准都应粗糙。例如,为了决定电影,代理可以使用一个标准,该标准通过流派类别订购电影,另一个按导演类别等等,在每种情况下都有少数类别。然后,代理商可能需要通过加权投票来汇总标准订单,才能得出选择。随着标准变得更加粗略(每个标准的类别较少),决策成本下降,即使代理商必须使用更多标准。因此,最有效的选项是选择各个类别的二进制标准。即使使用其他类别的边际成本减少到0。因此,实际上可能是优化而不是认知局限性的结果。二进制标准还产生了最大化理性偏好的选择功能:决策效率意味着理性的选择。

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