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. …

accessing useful knowledge by adopting, producing, and diffusing new ideas. Combining location information for the universe of 3 … arose through agglomeration economies and localized knowledge spillovers. To support this claim, we provide evidence … the same society had higher similarity in patenting, suggesting that social networks facilitated spatial knowledge …

We analyse how spatial disparities in innovation activities, coupled with migration costs, affect economic geography … endogenous emergence of industry clusters. Spatial variations in knowledge spillovers lead to spatial concentration of more …. Narrowing the gap in knowledge spillovers across regions raises growth, and reduces regional inequality by making firms more …

' access to new and better capital goods depends on the knowledge gap, i.e., the wedge between the firm's technical knowledge … knowledge diffusion subsequently leading to declining business dynamism. Our findings indicate that only when knowledge … markups, falling labor share and productivity growth. Patents are an important obstacle to knowledge diffusion. We find an …