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Cognitive stress and learning economic order quantity inventory management: An experimental investigation

Pan, Jinrui; Shachat, Jason; Wei, Sijia

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Abstract

We use laboratory experiments to evaluate the effects of cognitive stress on inventory management decisions in a finite horizon economic order quantity (EOQ) model. We manipulate two sources of cognitive stress. First, we vary individuals’ participation in a pin memorization task. This exogenously increases cognitive load. Second, we introduce an intervention to reduce cognitive stress by only allowing participants to order when inventory is depleted. This restricts the order choice set. Increases in cognitive load negatively impact earnings with and without the intervention, with these impacts largely occurring in the first attempt of the task. With repetition, participants’ choices in all treatments trend to near optimal policy adoption. However, only in the intervention and low cognitive load treatment do the majority of choices reach the optimal policy. We estimate the learning dynamics of order decisions using a Markov learning model. Estimates suggest increased cognitive load reduces the probability of switching to more profitable policies. Choice set complexity increases biases for smaller order size adjustments, leading to greater policy lock-in.

Citation

Pan, J., Shachat, J., & Wei, S. (2022). Cognitive stress and learning economic order quantity inventory management: An experimental investigation. Decision Analysis, 19(3), 229-254. https://doi.org/10.1287/deca.2022.0450

Journal Article Type Article
Acceptance Date Feb 11, 2022
Online Publication Date Mar 29, 2022
Publication Date 2022-09
Deposit Date Feb 17, 2022
Publicly Available Date Mar 29, 2024
Journal Decision Analysis
Print ISSN 1545-8490
Electronic ISSN 1545-8504
Publisher Institute for Operations Research and Management Sciences
Peer Reviewed Peer Reviewed
Volume 19
Issue 3
Pages 229-254
DOI https://doi.org/10.1287/deca.2022.0450
Keywords Cognitive load; Choice set complexity; Economic order quantity; Inventory management; Learning
Public URL https://durham-repository.worktribe.com/output/1213762

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