Elinor Ostrom

Elinor Ostrom (1933–2012) was an American political economist whose research showed how communities can govern shared resources through locally developed institutions. She shared the 2009 Nobel Memorial Prize in Economic Sciences.

Common-pool resource: A resource system from which it is difficult to exclude users and where one person’s use reduces what remains for others. This resource type anchors Ostrom’s study of forests, fisheries, irrigation systems, and other shared goods.
Design principles for managing commons: A set of recurring institutional features found in long-enduring, self-governing common-pool resource systems. These principles distill patterns Ostrom identified across successful cases of commons governance.
Governing the Commons: Elinor Ostrom’s 1990 book comparing institutions that communities use to govern common-pool resources. The book presents her central argument and comparative evidence against one-size-fits-all prescriptions.
Vincent Ostrom: An American political scientist whose work on public administration and federalism shaped the Bloomington school of institutional analysis. His scholarship and collaboration with Elinor Ostrom helped establish their shared research tradition.
Polycentric governance: Governance through multiple, overlapping decision-making centers that operate with substantial independence. Ostrom’s work brought this approach into debates about managing complex, large-scale problems.
Collective action: Coordinated action by multiple people pursuing a shared outcome, often despite incentives to act individually. Ostrom examined how resource users overcome incentives to overuse shared resources.
Graduated sanctions: Penalties that increase in severity as rule violations recur or become more serious. Ostrom found that proportionate sanctions can support compliance without beginning with maximal punishment.
Common-pool resource management: The governance and use of resources that are difficult to exclude people from and vulnerable to depletion. This broader field contains the practical problems Ostrom studied across communities and resource types.
Oliver E. Williamson: An American economist known for analyzing how institutions and transaction costs shape economic organization. He shared the 2009 economics prize with Ostrom for distinct contributions to economic governance.
Community-based natural resource management: The management of natural resources in which local communities have a substantial role in decisions and practices. Ostrom’s findings strengthened arguments for including local users in resource governance.

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