Robert O Keohane and Elinor Ostrom
Introduction
PART ONE: THEORETICAL PUZZLES
Oran R Young
The Problem of Scale in Human/Environment Relationships
Duncan Snidal
The Politics of Scope
Endogenous Actors, Heterogeneity and Institutions
Lisa L Martin
Heterogeneity, Linkage and Commons Problems
PART TWO: EVIDENCE FROM THE LABORATORY
Steven Hackett, Dean Dudley and James Walker
Heterogeneities, Information and Conflict Resolution
Experimental Evidence on Sharing Contracts
PART THREE: EVIDENCE FROM THE FIELD
Elinor Ostrom
Constituting Social Capital and Collective Action
Gary D Libecap
The Conditions for Successful Collective Action
Kenneth A Oye and James H Maxwell
Self-interest and Environmental Management
Ronald B Mitchell
Heterogeneities at Two Levels
State, Non-state Actors and Intentional Oil Pollution