Library / Games / Collective Action & Commons (Ostrom)
Collective Action & Commons (Ostrom)
Shared pools survive with boundaries, monitors and graduated sanctions — no panacea.
INTERACTIVE LAB
Tolerance sandbox (original recreation)
happy 76% • avg. similar neighbors 49% • red ring = wants to move
GAMES
When to use / misuse
Use → Fisheries, groundwater, shared infra.
Difficulty → Core
REDCAPE → Design · Act
agent: commons-checker family: Games combine_with: [two other families] rule: state failure mode before acting
Free sources: Coursera M10 (Ostrom)
Attach to a lattice — combines with
Different families, shared jobs. Click to open alongside.
LINEAR
Concavity & Diminishing Returns
Curved payoffs change optimal bets: diversify when concave, concentrate when convex.
SHARED JOBS: DESIGN · ACT
DECISIONSDecision Trees + Value of Information
Fold back probabilities; pay for information only if it changes the action.
SHARED JOBS: ACT · DESIGN
DIFFUSIONBass Diffusion (S-Curve)
Innovators plus imitators make the S-curve. Spend early on seeds, later on social proof.
SHARED JOB: DESIGN
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