Elinor Ostrom

Elinor Ostrom received the 2009 Nobel Prize in Economics for showing, against decades of orthodoxy, that communities can manage shared resources — fisheries, irrigation systems, forests, groundwater basins — sustainably and without privatisation or state takeover. The textbook 'tragedy of the commons' said this was impossible. Ostrom's life's work, in the field, with detailed case studies from Nepal to Maine to Switzerland, was to document that it was not only possible but common — and to identify the institutional conditions under which it worked.

Her 1990 book Governing the Commons distilled eight design principles for durable self-governing institutions: clear boundaries, rules matched to local conditions, collective-choice arrangements that include those affected, monitoring, graduated sanctions, low-cost conflict resolution, recognition of the right to organise, and — for larger systems — nested layers of governance. The principles were inductively derived, not theoretically deduced. They were what worked.

Ostrom's broader theoretical contribution — developed with her husband Vincent — was 'polycentric governance.' Where most political theory imagined a single sovereign authority, the Ostroms documented the rich, overlapping, often messy reality: many semi-autonomous decision centers, operating at different scales, sometimes cooperating and sometimes competing, generally more resilient to shock than any monolithic alternative. The lesson is that institutional diversity is not disorder. It is a feature.

Further reading

• Governing the Commons (1990)
• Understanding Institutional Diversity (2005)
• 'A Polycentric Approach for Coping with Climate Change' (World Bank, 2009)
• Vincent Ostrom, The Meaning of American Federalism (1991)

← All thinkers · Read the lineage on the About page