a wild organism with a certain quality at a point in time then it will never use this same organism at a subsequent … point in time. Second, we show that if our PF uses a particular organism with its quality at a point in time then it will co … ntinue to produce the drug with the chemicals from this organism at all later points in time. Third, we show that there is a …

generally distributed lead time we derive expressions for the service levels for each demand class and the average total cost … per unit time. Efficient solution methods for obtaining optimal policies, with and withoutservice level constraints, are …

wide variety of time-scales. Given that traffic streams are indeed endowed withLRD properties, a next question is: what is …

simulation is too time-consuming, and we have to use fastsimulation techniques instead. Due to the exponential decay (in n …

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 …

In this paper we perform a meta-analysis on empirical estimates of the impact between investment and uncertainty. Since … can explain to a large extent why empirical estimates of the investment-uncertainty relationship differ. …

is, the growth-uncertainty relationship depends on whether returns to scale in knowledge creation are increasing or non …