In this paper it is tested which of the various alternative approaches for constructing knowledge spillover pools suggested in existing literature measures the extent to which a firm can costlessly receive external knowlegde best. Since knowledge spillovers are unmeasurable, a 'goodness of fit'...

This paper derives a three stage Cournot duopoly game for research collaboration, research expenditures and product market competition. The amount of knowledge firms can absorb from other firms is made dependent on their own research efforts, e.g., firms' absorptive capacity is treated as an...

Determining the research and development (R&D) boundaries of the firm as the choicebetween internal, collaborative and external technology acquisition has since long been amajor challenge for firms to secure a continuous stream of innovative products or processes.While research on R&D...

We estimate the relative contribution of mobile scientists who leave academia for the privatesector on the subsequent innovative performance of the firms they join. We use data on thepopulation of Danish firms and their R&D workers for the period 1999-2004 and measureinnovation performance by...

We study the mapping between labor mobility and industrial innovative activity for thepopulation of R&D active Danish firms observed between 1999 and 2004. Our studydocuments a positive relationship between the number of workers who join a firm and thefirm’s innovative activity. This...