Dynamics of Duopoly Models with Undecided Clients under Decentralized Affine Feedback Advertising Policies

Table 6

Equilibrium points and conditions of the advertising policy parameters for existence of the equilibrium points under special cases of affine policy, for both the Vidale–Wolfe and extended Lanchester models (cf. Theorem 1).

Policy	Control parameters	Equilibrium points	Conditions of existence
	,
	,
		,
		,
		,
		,