R&D is considered to be the main source of innovation. We argue that R&D is too broad a measure, including activities differing in purposes, culture, people, management and other features. However, empirical studies have not analyzed them separately, mainly due to the lack of data. Using...

R&D is considered to be the main source of innovation. We argue that R&D is too broad a measure, including activities differing in purposes, culture, people, management and other features. However, empirical studies have not analyzed them separately, mainly due to the lack of data. Using...

The link between R&D and productivity has been widely analyzed. However, these innovation activities have been considered as a whole. This paper analyzes the differentiated effect of research and development on productivity and tests the existence of complementarity between these activities. We...