Decision Centralization and Learning from Experience in Groups: Separating Context from Aggregation Effects

Sanghyun Park (), Cleotilde Gonzalez () and Phanish Puranam ()
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Sanghyun Park: NUS Business School, Strategy and Policy Department, National University of Singapore, Singapore 119245, Singapore
Cleotilde Gonzalez: Social and Decision Sciences, Dietrich College of Humanities and Social Sciences, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213
Phanish Puranam: Strategy Department, INSEAD, Singapore 138676, Singapore

Management Science, 2025, vol. 71, issue 8, 6859-6879

Abstract: Organizational learning often involves groups that learn from feedback on their decisions over time (also known as “learning by doing” or “learning from experience”). Although organizational learning is frequently assumed to resemble individual learning from experience, there is limited evidence to validate this assumption. Furthermore, groups in organizations often have centralized rather than decentralized decision making, but we know little about how they differ in learning from experience. Using a combination of experimental data and computational modeling, we compare individuals to groups that are either decentralized or centralized in their decision making. We find that centralized groups behave like hyper-individuals: They update and explore more than individuals (who, in turn, update and explore more than decentralized groups). Our evidence shows that not only do groups differ from individuals because of aggregation processes but also that individuals change their behaviors simply by virtue of being in a group (a context effect). Specifically, we find that participants assigned as leaders in centralized groups become proactive learners who seek novel information to learn by deviating from experience. Implications are drawn for how this might alter the way we conceptualize and model organizational learning.

Keywords: learning; decision structure; organization design; microfoundations (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:inm:ormnsc:v:71:y:2025:i:8:p:6859-6879

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