The analysis in this paper shows that unpredictable variations in economic productivity may have a positive or negative …. Empirical studies concerning these two factors indicate that unpredictable variations in economic productivity have a negative …

How does risk or uncertainty in the productivity of research affect the growth rate of the economy? To answer this …&D from profit-maximizing firms. The uncertainty arises from the productivity of these investments in R&D. The main result of … this analysis is that the relationship between long-run growth and uncertainty (on the productivity of knowledge creation …

the productivity interpretation of these returns and supports the view that returns to computer use can be attributed …

and productivity of firms in designated areas. We use unique panel data from China with information on manufacturing firms …’ production factors, productivity and location, and we exploit temporal and spatial variation in place-based interventions due to … issues that (i) science parks are located in favourable locations and that (ii) high-productivity firms sort themselves in …

The importance of knowledge spillovers for achieving innovation and economic growth is widely recognized. It is not … this controversy using a model of regional growth. The model also deals with the impact of local competition on innovation …