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MENTAL MODEL · M3193

Institutional Isomorphism

Institutional Isomorphism
BehaviorHigh supportOrganizational Behavior
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Updated 2026-07-31

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INTRODUCTION

English translation pending.

CORE DEFINITION

Institutional isomorphism, formulated by Paul DiMaggio and Walter Powell, explains why organizations in the same field converge in structure and practice. They identify three mechanisms. Coercive isomorphism comes from legal and regulatory pressure and from dependence on resource providers. Mimetic isomorphism comes from imitation under uncertainty, when organizations copy those they perceive as successful. Normative isomorphism comes from professionalization, as shared training and networks spread common standards. The key qualification is that convergence reflects legitimacy rather than proven efficiency.

SCAFFOLDING EFFECT

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Reduce cognitive load

- Pressure Mapping: Identify which coercive, mimetic, and normative forces are acting on the organization. - Legitimacy Check: Ask whether a copied structure serves regulatory compliance or actual performance. - Differentiation Space: Preserve a deliberate margin of difference where imitation adds no measurable value.

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Anchor fast decisions

Organizations need legitimacy to obtain resources and survive, and legitimacy is granted by the field rather than by efficiency alone. When the environment rewards conformity, adopting recognized structures and practices reduces the risk of being judged illegitimate. Uncertainty intensifies this: without clear performance signals, copying a visible peer is a defensible choice even when it is not optimal. Professional training then spreads the same standards across organizations, so structures converge independently of whether they improve results.

MINIMUM ACTION

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Source support: Explicit

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    baike.baidu.comhttps://baike.baidu.com/item/制度类同性/50947712ZH · Explicit
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