Table 4.

The consumer surplus under the three NEs.

	Firm 2	F	E
Firm 1
F		$C{S}^{FFs*}={\displaystyle {\int }_0^{d_{f1}}{v}_{f1}dx+}{\displaystyle {\int }_{d_{f1}}^1{v}_{f2}dx}$	$C{S}^{FEs*}={\displaystyle {\int }_0^{d_{f1}}{v}_{f1}dx+}{\displaystyle {\int }_{d_{f1}}^1{v}_{e2}dx}$
E		-	$C{S}^{EEs*}={\displaystyle {\int }_0^{d_{e1}}{v}_{e1}dx+}{\displaystyle {\int }_{d_{e1}}^1{v}_{e2}dx}$