within research and development collaborations. Special emphasis is placed on the early phases of the innovation process and …

collaborate in R&D is increasing in R&D productivity. The key findings of the theoretical model are tested using German innovation … survey data for the service sector. A simultaneous model for cooperation choice and innovation expenditures shows that R …&D cooperation has a weakly significant positive effect on innovation expenditures. The empirical results broadly support the …

Skilled labor is a key input to the innovation process. A shortage in supply of skilled labor may hence impede … innovation activities, resulting in lower productivity gains. While governments are concerned about these likely negative impacts …, there is only limited empirical evidence whether and to what extent labor shortage affects innovation activities. The paper …

The main objective of this empirical paper is to identify characteristics of imitation and innovation and shed light on … different types of innovating firms show that an innovation performance hierarchy exists ranking from occasional innovators …

We empirically investigate whether the persistence of politicians in political institutions affects the innovation …' innovation activity. However, once the causal effect is isolated by means of instrumental variables, using death of politicians … persistence and the probability of process innovation. This finding is consistent with the view that political stability may …

In this work, we explore the relations between sales growth and a set of innovation indicators that capture the … different sources, modes and results of the innovative activity undertaken within firms. We exploit a rich panel on innovation …-2011. Standard GMM-panel estimates of the average effect of innovation activities reveal significant and positive effect for internal …

We investigate the causal effect of patent rights on cumulative innovation, using large-scale data that approximate the …

otherwise visible to society. We develop a structural model of initial and follow-on innovation to determine the effects of such … a shift in disclosure on overall welfare in industries characterized by cumulative innovation. We find that while … significant decline in follow-on innovation. …