The paper analyses whether, and to what extent, firm's ability to innovate is induced by firm's own R&D activity and to what extent by factors external to firm. It first estimates the impact of firms' internal R&D capital and external R&D spillovers on firms' innovation activity within an...

The paper analyses whether, and to what extent, firm's ability to innovate is induced by firm's own R&D activity and to what extent by factors external to firm. It first estimates the impact of firms' internal R&D capital and external R&D spillovers on firms' innovation activity within an...