| 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 |
| (98, 51, 1125) | Stable | |
| 0.5 | (600, 0, 0) | Stable |
| (99, 50, 1096) | Stable | |
| (270, 22.6, 207.4) | Unstable |