If duopolists engage in price competition, the result is: a. always zero profits. b. always zero profits unless the firm

[answerhappygod]

If duopolists engage in price competition, the resultis:
a.
always zero profits.
b.
always zero profits unless the firms producedifferentiated products.
c.
always zero profits unless the two goods are perfectsubstitutes.
d.
always zero profits unless the two firmscollude.
e.
never zero profits.