knowledge spillovers are unmeasurable, a 'goodness of fit' measure is constructed using innovation survey data. It turns out … measures constructed from innovation survey data appear to work reasonably well while measures of the Euclidean technological …

Recent empirical evidence has shown that firm’s innovation behavior exhibits high persistency but not much is known … environment and asks how local knowledge spillovers affect firms' innovation persistence. The empirical analysis draws upon a … former evidence that persistency in innovation is driven by true state dependence. More importantly, we find that the local …

workers from other firms. Based on data from the Community Innovation Survey, this paper analyses the role of different types … of intended and unintended knowledge spillovers for innovation output at the firm level. Among intended knowledge … spillovers, using knowledge from patents shows the strongest link to innovation output, particularly in case of product …