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 …

publishing distinguishing between different types of patents for a large sample of professors active in Germany. Our results show …

This study builds a multi-product firm model with endogenous diversified innovation behaviors to highlight a micro …-mechanism through which cooperative innovation affects firm-level technology spillovers. The model indicates that cooperative innovation … Enterprise Innovation Survey. We also find that firm technology spillovers in China generally show a growing trend from 2008 to …

R&D cooperation only considered process innovation, the model presented here also takes product innovation into account …. It is shown that the optimal R&D investment has virtually the same structure for both process and product innovation. The …

R&D cooperation only considered process innovation, the model presented here also takes product innovation into account …. It is shown that the optimal R&D investment has virtually the same structure for both process and product innovation. The …