In developing countries, innovation is to a large extent a matter of adoption of advanced technologies but also of conducting internal R&D to be able to better assimilate existing technologies. This paper, based on firm level data from 24 developing countries, examines the roles of internal R&D...

In order to catch up with the technological frontier, firms, especially in developing countries, try to acquire technological advancement through internal R&D efforts as well as through external technology sourcing activities. This study tests the existence of a complementarity between in-house...