Materialeffizienz entwickelt sich immer mehr zu einem wichtigen Thema in Wirtschaft und Politik. Real existierende und vermutete Knappheiten bestimmter Rohstoffe, steigende Materialkosten und die Abhängigkeiten Deutschlands als rohstoffarmes Land von Importen vieler Materialien sind nur einige...

Elements of an econometric examination of benchmark revisions in real-time data are suggested. Structural break tests may be applied to detect heterogeneities within vintages. Systems cointegration tests are helpful to reveal inconsistencies across vintages. Differencing and rebasing, often used...

A widely used method in the analysis of complex econometric models is to replace the "true model" by a highly simplified aggregative one in which the variables are grouped and replaced by sums or weighted averages of the variables in each group. The analysis of the problem of choosing an...

The article is an analysis of materials management in different areas of functioning of manufacturing enterprises, with particular reference to the costs generated by it and all possible risk factors. The overall objective is to demonstrate, on the basis of the study in the furniture industry,...

While materials count for a considerable amount of construction costs, the way materials are managed seems to be improvised rather than approached methodically. This study investigates the practice of novel techniques used to manage materials in the construction industry. Techniques that have...