In this article, a unique data set for Danish manufacturing firms has been used to analyse the interplay between export, R&D investments and productivity. In addition to traditional tests, a nonparametric test for differences in stochastic distributions gives evidence that the productivity...

According to the economic literature, industrial clusters are groups of firms on the same <p> location composing a production system with spillovers that can be vertical and/or <p> horizontal. This paper focuses on horizontal clusters by exploring the spatial <p> distribution of industrial clusters in...</p></p></p>

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In this paper we analyse the determinants of R&D spending in Danish firms and firms and industries in the nineties. We also examine the complementarity and substitution between publicly and company financed spending taking into account the influence from market structure, barriers of entry,...