We examine the impact of internal and external R&D on labor productivity in a 6-year panel of Dutch manufacturing firms. We apply a dynamic linear panel data model that allows for decreasing or increasing returns to scale in internal and external R&D and for economies of scope. We find...

Alliance formation is often described as a mechanism used by firms to increase voluntary knowledge transfers. Access to external knowledge has been increasingly recognized as a main source of a firm's innovativeness. In this paper we examine decisions to form alliance portfolios of foreign and...

Recent interdisciplinary research suggests that customer and technological competencies have a direct, unconditional effect on firms' innovative performance. This study extends this stream of literature by considering the effect of organizational competencies. Results from a survey-research...