Table A3.

The equilibrium conditions in the four cases with a consumer subsidy.

	Firm 2	F	E
Firm 1
F		${\pi }_1^{FF}>{\pi }_1^{EF}\to c_1<c_e<c_2$ ${\pi }_2^{FF}>{\pi }_2^{FE}\to c_3<c_e<c_4$	${\pi }_1^{FE}>{\pi }_1^{EE}\to c_e<c_5$ or $c_e>c_3$ ${\pi }_2^{FE}>{\pi }_2^{FF}\to c_e<c_1$ or $c_e>c_2$
E		${\pi }_1^{EF}>{\pi }_1^{FF}\to c_e<c_3$ or $c_e>c_4$ ${\pi }_2^{EF}>{\pi }_2^{EE}\to c_e<c_6$ or $c_e>c_1$	${\pi }_1^{EE}>{\pi }_1^{FE}\to c_5<c_e<c_3$ ${\pi }_2^{EE}>{\pi }_2^{EF}\to c_6<c_e<c_1$