Researchers studying innovation increasingly use indicators based on patent citations. However, it is well known that not all citations originate from applicants--patent examiners contribute to citations listed in issued patents--and that this could complicate interpretation of findings in this...

Firms have different motives for investing abroad, most notably to exercise existing capabilities, but also to build new capabilities by accessing knowledge located abroad. Recognizing this heterogeneity helps determine whether foreign investments transfer technology to their host industries....