Empirical studies find a strong positive relationship between a country’s per-capita income and price level of final tradable goods. Among alternative explanations of this observation, I focus on variable mark-ups by firms. Mark-ups that vary with destinations’ incomes are evident from a...

In this paper, I develop a quantitative, general equilibrium theory of product quality and international trade. In the model, producers make choices regarding the quality/technology of their intermediate inputs given the set of endowments they have access to. This choice affects the producers...