The analysis of the advantages of competition as a process of parallel experimentation is a neglected dimension of competition. Innovation competition as a trial and error-process can be analyzed as an evolutionary process of variation and selection of new problem solutions, which allows to...

We investigate the effect of better access to foreign markets on innovation strategies of multi-product firms in industries with different scope for product differentiation. Industry-specific demand and cost linkages induce a distinction between the returns to innovation. In differentiated...

This paper studies the innovation strategies of multi-product firms in industries with different scope for product differentiation. In a simple model of multi-product firms, we show that returns to product versus process innovation are industry-specific. Demand and cost linkages induce a natural...