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Innovative sales, R&D and total innovation expenditures : panel evidence on their dynamics
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Financial constraints and other obstacles: are they a threat to innovation activity?
An empirically-based taxonomy of Dutch manufacturing : innovation policy implications
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Persistence of innovation in Dutch manufacturing : is it spurious?
The behavior of the maximum likelihood estimator of dynamic panel data sample selection models
Dynamic Models of R&D, Innovation and Productivity: Panel Data Evidence for Dutch and French Manufacturing