We analyze how HIV-knowledge influences condom use across the sexes. The empirical work is based on a household survey … questions on knowledge of the existence of HIV, HIV prevention, HIV stigma, intended pregnancy, and risk perceptions of engaging … in unprotected sex. We observe a large HIV knowledge gap between males and females. Moreover, across the sexes different …

externalities in explaining variation in innovation rates across firms. More specifically, we combine micro-data and census data to … estimate the probability that a firm will introduce a goods, service or process innovation. We consider internal firm … agglomeration variables are only significant for a few specific sectors, and even then only for some types of innovation. …

Innovation and technological change are central to the quest for regional development. In the globally …-connected knowledge-driven economy, the relevance of agglomeration forces that rely on proximity continues to increase, paradoxically … structure characterised by its extent of specialisation, competition and diversity, to yield innovation and productivity growth …