Selective Sampling with Information-Storage Constraints

Philippe Jehiel and Jakub Steiner

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Abstract: A memoryless agent can acquire arbitrarily many signals. After each signal observation, she either terminates and chooses an action, or she discards her observation and draws a new signal. By conditioning the probability of termination on the information collected, she controls the correlation between the payoff state and her terminal action. We provide an optimality condition for the emerging stochastic choice. The condition highlights the benefits of selective memory applied to the extracted signals. Implications—obtained in simple examples—include (i) confirmation bias, (ii) speed-accuracy complementarity, (iii) overweighting of rare events, and (iv) salience effect.

Date: 2020-08-01
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Published in The Economic Journal, 2020, 130 (630), pp.1753-1781. ⟨10.1093/ej/uez068⟩

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Related works:
Journal Article: Selective Sampling with Information-Storage Constraints (2020)
Working Paper: Selective Sampling with Information-Storage Constraints (2020)
Working Paper: Selective Sampling with Information-Storage Constraints (2019)
Working Paper: Selective Sampling with Information-Storage Constraints (2019)
Working Paper: Selective Sampling with Information-Storage Constraints (2018)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:halshs-03229986

DOI: 10.1093/ej/uez068

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