Equilibrium point

Jacobian matrix determinant (symbol)

Jacobian matrix trace (symbol)

Analysis result

Matrix determinant

A

B

C

matrix trace

A

B

C

A

B

C

(0,0)

(F − G)(R − C)

+

F − G + R − C

Not clear

+

Unstable

Saddle point

Unstable

(0,1)

G(R − C)

+

−G − (R − C)

Not clear

+

Unstable

Saddle point

ESS

(1,0)

−(F − G)(R − C + F)

+

G + R − C

Not clear

+

Unstable

ESS

Saddle point

(1,1)

−G(R − C + F)

+

G ? R + C − F

Not clear

+

Unstable

Unstable

Saddle point

((C − R)/F, (F − G)/F)

[G(F ? C + R)(C − R)(F − G)]/F2

+

0

0

Saddle point