We show that when two countries are the same size then the country with stronger preferences in favour of domestic varieties of differentiated goods produced under increasing returns (IRS) will be the net exporter of that good. It is also shown that strong preferences for domestic varieties...

A large share of world trade, especially among the OECD countries, is two-way trade within industries, so called intra-industry trade. Despite this, few attempts have been made to examine why countries export some products within industries, whereas they import others. We examine this issue, by...