Evolutionary Game Analysis of Information Sharing in Fresh Product Supply Chain

Table 4

Stability analysis of equilibrium point.

Known conditions	Equilibrium point	Symbol of determinant	Symbol of trace	Result
Condition 1		+	—	ESS
		—	Uncertain	Unstable
		—	Uncertain	Unstable
		+	+	Unstable
		—	0	Saddle point
Condition 2		+	—	ESS
		+	+	Unstable
		—	Uncertain	Unstable
		—	Uncertain	Unstable
		—	0	Saddle point
Condition 3		+	—	ESS
		—	Uncertain	Unstable
		+	+	Unstable
		—	Uncertain	Unstable
		—	0	Saddle point
Condition 4		+	—	ESS
		—	Uncertain	Unstable
		—	Uncertain	Unstable
		+	—	ESS
		—	0	Saddle point