| ε | Equilibrium points (G, I, β) | Stability |
| 1 | (600, 0, 0) | Stable |
| (100, 50, 1080) | Stable | |
| (250, 24.5, 233) | Unstable | |
| 0 | (600, 0, 0) | Unstable |
| (109.6, 47, 900) | Stable | |
| 0.5 | (600, 0, 0) | Stable |
| (103.4, 49, 1009) | Stable | |
| (269, 23, 209) | Unstable |