Student performance in Sub-Saharan Africa is tragically low. We study the importance of teacher subject knowledge for …. After measurement-error correction, a one-standard-deviation increase in teacher subject knowledge raises student … teacher sorting. Furthermore, teacher knowledge and school resources appear to be complements in student learning …

knowledge of new inventors effect the performance of regional innovation systems (RIS). The results suggest that the knowledge … considerable number of incumbent inventors discontinue. We estimate the persistence of knowledge in regional inventor networks … using alternative assumptions about knowledge transfer. Based on these estimates we analyze how the size and structure of a …

drive innovation. -- Entrepreneurship ; Development; Stages of Growth ; Globalization ; Innovation ; Index ; Knowledge …