, Engineering and Mathematics - workers and the level of the firm and firm- and city-/regional-level innovation in Germany. It also … creative workers to innovation is limited to the boundaries of the firm, whereas that of STEM workers is as associated to the … generation of considerable innovation spillovers. Hence, attracting STEM workers is more likely to end up making German cities …

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 distinction between the returns to product and process innovation. In highly …