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

Sunk costs for R&D are an important determinant of the level of innovation in the economy. In this paper I recover them … created the incentives for firms to pay the costs of investment. Trade-induced innovation reinforced the selection effect by …

We study how profit taxation affects plants' R&D spending and innovation activities. Relying on geocoded survey panel …

of the hypotheses raised in this literature. It employs the data of the first wave of the Mannheim Innovation Panel …&D we also used the concept of total innovation expenditures to capture the importance of non R& D innovation activities … which are especially important for small firms. (3) We give reliable estimates on the occurrence of R&D and innovation …

Recent innovation literature has documented the benefits of cross-pollination of ideas across a wide set of industries …, we find that patenting and knowledge sourcing behavior of non-textile firms are negatively affected. At the aggregate …

We provide the first measurement of knowledge spillovers from venture capital-financed companies onto the patenting …