In this case study of the Swedish beer market we relate the volatility of firms' market shares to changes in their products' market shares. We focus on the four leading firms' product portfolios, and in particular the development of the market shares of old, newly introduced, and withdrawn...

Through we have some evidence that relatively closed economies are likely to have disappointing long-term economic growth rates, empirical research indicates that partial trade liberalization between more open economies has ambiguous growth effects. In the present model there are two countries,...

Models with imperfect competition and intra-industry trade have become widely accepted as appropriate frameworks within which to analyze the impact of trade liberalization on industrial agglomeration. This paper makes one modification to the standard model; it allows for taxation of...