Feuchtgebiete sind Ökosysteme, die durch die Anwesenheit vonWasser, spezielle Bodenverhältnisse und eine besondereVegetationszusammensetzung geprägt sind. Sie zählen zu den amstärksten bedrohten Ökosystemen der Erde. Im Verlauf des 20.Jahrhunderts nahm weltweit sowohl ihre Fläche als auch...

David Courard-Hauri is an Assistant Professor of Environmental Science and Policy at Drake University in Des Moines, Iowa. His e-mail address is david.courard-hauri@drake.edu

One of the characteristics of Demand-Driven Production is that goods should be manufactured and delivered to customers within the specified pe-riod of time. Manufacturers achieve this by utilizing various efficient production planning, scheduling tools and techniques. But situations may arise...

In dieser Arbeit wird ein Modell zur integrierten Verkehrsnachfrage- und Nutzenberechnung für den privaten Personenverkehr entwickelt, mit dem eine harmonisierte Bewertung der entscheidungsrelevanten Aufwände der Verkehrsteilnehmer in der Verkehrsnachfragemodellierung und der...

This paper discusses a methodology used for a qualitative cost-benefit evaluation of a complex, emergent program. Complex, emergent programs, where implementation varies considerably over time and across sites to respond to local needs and opportunities, present challenges to conventional...

Organizations, public or private, are attracted by larger and more important investments, materialized in short or long term investment projects (with own or non-refundable financing). The opportunity and viability of these projects must still be considered in the design phase, before starting...

El artículo propone un marco para evaluar el impacto de los colchones de capital a nivel de todo el sistema y a nivel bancario. La evaluación se basa en un modelo FAVAR (Factor-Augmented Vector Autoregression) que relaciona los ajustes bancarios individuales con la dinámica macroeconómica....

Organizations, public or private, are attracted by larger and more important investments, materialized in short or long term investment projects (with own or non-refundable financing). The opportunity and viability of these projects must still be considered in the design phase, before starting...

Food safety problems such as the BSE and dioxin crises focused attention on traceability systems and the certification of such systems. This study analyzes the status and perspectives of traceability systems and certification schemes, and reviews their potential costs and benefits. Results...