Elinor Ostrom

There is no single solution to the problem of governing common-pool resources. Instead, there are many solutions, and the choice of which solution to apply depends on the specific context.

Humans are not trapped in a Prisoner's Dilemma. They can and do create institutions that enable them to achieve collective action.

The tragedy of the commons is not inevitable. It is a failure of institutional design.

Instead of presuming that the state is the only way to solve collective action problems, we should study how diverse institutional arrangements affect outcomes.

The capacity of individuals to self-organize and create effective institutions is a fundamental aspect of human societies.

Context matters. There are no panaceas for solving common-pool resource problems.

The design principles for robust common-pool resource institutions are not a recipe, but rather a set of conditions that increase the likelihood of success.

Individuals are not simply rational egoists. They are complex beings who can learn, adapt, and cooperate.

The challenge is to understand how diverse institutional arrangements affect incentives, information, and monitoring, and thus the outcomes achieved by individuals.

We need to move beyond simple dichotomies of market versus state and explore the rich diversity of self-governing institutions.

The study of institutions is not just about rules, but about how rules are made, enforced, and changed.

Local knowledge is crucial for designing effective institutions for common-pool resources.

The ability to monitor and sanction rule-breakers is essential for the sustainability of common-pool resources.

Polycentric governance, where multiple centers of decision-making interact, can be more effective than centralized control.

Learning from experience is a key component of successful common-pool resource management.

The design of institutions is an ongoing process, not a one-time event.

Trust and reciprocity are vital for collective action.

We need to understand the micro-foundations of collective action, not just macro-level theories.

The diversity of human motivations is often underestimated in economic models.

Effective institutions are those that fit the local context and are supported by the users.