We consider trade policy in a setting where home country firms are fully dependent on vertically-integrated foreign firms for supplies of a key input. We find that vertically-integrated firms' strategic considerations play an important role and that, in particular, a tariff on final goods may...

This paper considers assumptions on consumer heterogeneity that can generate bidirectional distortion in a model of quality discrimination. It is shown that the profit-maximizing strategy can involve the simultaneous degradation of quality at the low end of the spectrum, while quality...