102(4), pages 385-405.<P> Knowledge drives the growth of nations and regions in a competitive space-economy. Hence, we … would expect a strong correlation between investments in R&D, knowledge and learning processes, on the one hand, and … productivity increases, on the other. However, the empirical evidence shows consistent discrepancies between knowledge inputs and …

This discussion paper resulted in a publication in <A HREF="http://www.dovepress.com/condom-use-risk-perception-and-hiv-knowledge …-a-comparison-across-sexes-peer-reviewed-article-HIV">'HIV/AIDS - Research and Palliative Care'</A>, 2013, 5, 283-293.<P> We analyze how HIV-knowledge influences condom use across the sexes …. Next to socioeconomic characteristics, the data includes questions on knowledge of the existence of HIV, HIV prevention …

satisfy an indefinite range of wants and firms' incentive to utilize knowledge from past production experiences. We show that … firms endogenously form a number of distinguishable industries as accumulated knowledge induces them to agglomerate in the … technology space. Knowledge accumulation in existing industries reduces production costs, but, as the diminishing returns from …