We study the effects of two dimensions of teacher quality, subject knowledge and didactic skills, on student learning … individual-level information on student achievement and country-level measures of teacher subject knowledge and didactic skills … knowledge has a large positive effect on student achievement, whereas the effect of didactic skills is comparatively small and …

. Furthermore, this study also examines the role of social media networking and knowledge sharing, as a mediating variable, on the … capital, knowledge sharing, and social media networking directly affect innovation. Social media networking and knowledge …

major channel through which knowledge is disseminated between countries. Global value chains are also an important channel … through which economic shocks propagate. At the same time, knowledge seeking and knowledge protection are important … driver of productivity growth. Knowledge transmission through such links not only benefits participating companies, but also …