We examine patterns of acquiring non-native languages in a model with two languages and heterogenous populations in two countries or regions. We show that both interior and corner linguistic equilibria can emerge, and that the fraction of learners of the foreign language is higher in the country...

The globalization of world markets has prompted firms' search for benefits of international tax differentials. In this paper we consider a simple world with two countries and two multinationals with a division in each country. Both countries, that differ in market size, use a source-based profit...

Though retaliation to discriminatory measures taken by a trading partner are made possible by international treaties (GATT and WTO in particular), it is rarely used. We give theoretical reasons for which this has been the case. We also show that the retaliation mechanism which is built into the...