| | Base model | Adaptive extension |
|---|---|---|
| Enforcement | Constant δ | State variable E(t) with mobilization + atrophy |
| Equilibrium trust | δ/γ (institution-independent) | Rises with α, falls with μ — **enrichment paradox resolved** |
| Oscillation | Damped, ad hoc | **Structural** — Hopf bifurcation from delayed feedback |
| Key finding | ℛ₀ threshold | **Persistence (low μ) > strength (high α)** for stability |
| Frontier | — | Chaos (endogenous crises); **capture → bistability & hysteresis** |