Behavioural implications of demand perception in inventory management

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Onkal, Dilek and Kocabıyıkoğlu, Ayşe and Gönül, Sinan and Göğüş, Celile Itır (2019) Behavioural implications of demand perception in inventory management. In: Kunc, Martin and Malpass, Jonathan and White, Leroy, (eds.) Behavioral Operational Research: A Capabilities Approach. Palgrave MacMillan, United Kingdom. (Accepted/In Press)

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The newsvendor problem is one of the rudimentary problems of inventory management with significant practical consequences, thus receiving considerable attention in the behavioural operational research literature. In this chapter, we focus on how decision makers perceive demand uncertainty in the newsvendor setting and discuss how such perception patterns influence commonly observed phenomena in order decisions, such as the pull-to-center effect. Drawing from behavioural biases such as overprecision, we propose that decision makers tend to perceive demand to be smaller than it actually is in high margin contexts, and this effect becomes more pronounced with increases in demand size. The opposite pattern is observed in low margin settings; decision makers perceive demand to be larger than the true demand, and this tendency is stronger at lower mean demand levels. Concurrently, decision makers tend to perceive demand to be less variable than it actually is, and this tendency propagates as the variability of demand increases in low margin contexts and decreases in high margin contexts. These perceptions, in turn, lead to more skewed decisions at both ends of the demand spectrum. We discuss how decision makers can be made aware of these biases and how decision processes can be re-designed to convert these unconscious competencies into capabilities to improve decision making.
Item Type: Book Section / Chapter
Divisions: Sabancı Business School
Sabancı Business School > Operations Management and Information Systems
Depositing User: Ayşe Kocabıyıkoğlu
Date Deposited: 04 Aug 2019 23:12
Last Modified: 22 Sep 2020 17:24

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