We build a dynamic general equilibrium model with 2 countries, horizontal and vertical multinational activity and endogenous domestic and foreign investment. It is found that horizontal multinational activity always leads to a complementary relationship between domestic and foreign investment....

This paper deals with firms' decision related to international activities in a twocountry oligopoly model with a homogeneous product and unionized labor markets. Using a three-stage non-cooperative game with firms being first movers, it is found that firms' strategies are affected by the scale...