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t Time period t J The number of products available on the market K The number of products shown to each consumer j A product j (with j = 0 representing the outside option) p t j The price of product j at period t X j The other attributes of product j which are stable across periods D t j Demand of product j at period t π t j Revenue of product j at period t i A Consumer i (the index is reordered every period to simplify the notation) A i The consumer i的属性b I向消费者iβiβi的消费者价格敏感性γ其他参数将产品属性连接到实用性θ的其他优先参数，将消费者的属性链接到效用pos i，j排名j c i c i，j I，j Interme j copters j Interm j forment j c i，j conting j i c i，搜索成本u i，j j消费者i v i，j的消费效用，j消费者iξi的预期前搜索前搜索实用程序j是消费者i z i，j i z i，j的搜索效用j，j消费者的保留效应j的消费者的保留效用j对于消费者i i µ µ µ µ µ的水平差异在j t of System j of st Intriant j t of st Inting j t n quating t n s q of st Ats t n s Q e n s q of t n是vector，n是vector t n s Q e v cartion t n s Q Q t n s Q e Q. （以Q学习的Q矩阵为特征。
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