In this paper we use a model of vertical product differentiation to cast doubt on the general validity of the import demand function as specified in macroeconomic models. The empirical importance of our theoretical concerns is then examined with the aid of two hypotheses. According to the first...

This paper uses a model of trade in vertically differentiated products to examine the effects of excessive wage increases (i.e. above productivity) on the volume of commodity imports. The model predicts that for commodities, in which the country has comparative advantage in high quality...

In this paper we use a model of vertical product differentiation to cast doubt on the general validity of the import demand function as specified in macroeconomic models. The empiricai importance of our theoretical concerns is then examined with the aid of two hypotheses. According to the first...