We consider the impact of local and global spillover effects on the long run market shares of two populations of firms (e.g.~firms based in two different regions) who compete on a high-tech market. Production costs of a firm are (strongly) influenced by the number of local firms and (weakly) by...

In this paper we analyze the evolution of output decisions of adaptive firms in an environment of oligopolistic competition. The firm might either choose to produce one of several existing product variants or try to establish a new product variant on the market....