true. Using a panel of German firms linked to the PATSTAT patent data, we study invention in both types of energy … relation between conventional (i.e. non-energy) invention and energy invention within the firms. The results from dynamic count …

networks of four selected regions are based on information on patent applicants and inventors. Count data regressions show … positive effects on innovation of both the total number of relations and of access to a larger knowledge base. However, when … some sort of public good to the innovation system. -- Innovator networks ; Gatekeeper ; Zero Iflated Generalised Poisson …