The standard competitive trade model, extended to include many goods and factors, is used to establish two results. First, integration of goods markets decreases on average international disparities in the real returns of internationally immobile factors, irrespective of whether there is...

This paper derives a new effect of trade liberalisation on the quality of the environment. We show that in the presence of heterogeneous firms the aggregate volume of emissions is influenced not only by the long-established scale effect, but also by a reallocation effect resulting from an...