In this paper it is tested which of the various alternative approaches for constructing knowledge spillover pools … knowledge spillovers are unmeasurable, a 'goodness of fit' measure is constructed using innovation survey data. It turns out … that measures of the uncentered correlation of firm characteristics seem to fit actual knowledge spillovers best. Direct …

model where knowledge transmits as workers reallocate from one job to another. The calibrated model suggests that the … knowledge diffusion mechanism increases the aggregate productivity growth by 0.14 percentage points and enhances welfare …

-sector endogenous growth model allowing for industry specific parameters in the production functions for output and knowledge, and in … differences in "technological opportunities", interpreted as the parameters of knowledge production. These include the capital … intensity of R&D, knowledge spillovers, and diminishing returns to R&D. To investigate the quantitative importance of these …