This paper demonstrates the utility of systems and control theory in the analysis of economic systems. Two applications demonstrate how the analysis of simple dynamic models sheds light on important practical problems. The first problem considers the design of a retail laboratory, where the...

In this paper, we present a general framework for assessing the societal impacts of new technologies. Such impacts can be broadly classified as economic development impacts, environmental impacts, and “other” societal impacts. We discuss the steps involved in a public sector cost-benefit...

In the Northeastern U.S., salt marsh area is in decline. Habitat change analysis has revealed fragmentation, displacement of high marsh by low marsh species, and marsh drowning, while development of adjacent uplands limits upslope migration. Measures of marsh vegetation loss for eight sites in...

The importance of disaster reduction has gained increased awareness within the international development community and thereby highlighted a need for a preliminary assessment of natural hazard risk in developing countries of the Asia–Pacific, including that for volcanic eruption. In this...