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. 2020 Jan 6;17(1):375. doi: 10.3390/ijerph17010375

Table 3.

Local stability analysis results.

EP Scenario 1
Costs Are More Than Revenue
Scenario 2
Costs Are Less Than Revenue
Eigenvalue Symbol Stability Eigenvalue Symbol Stability
D1(0,0,0) Stable point +++ Unstable point
D2(0,0,1) + Saddle point ++ Saddle point
D3(0,1,0) + Saddle point ++ Saddle point
D4(0,1,1) ++ Saddle point + Saddle point
D5(1,0,0) + Saddle point ++ Saddle point
D6(1,0,1) ++ Saddle point + Saddle point
D7(1,1,0) ++ Saddle point + Saddle point
D8(1,1,1) +++ Unstable point Stable point