The Surveys of Consumers has been conducted by the Survey Research Center at the University of Michigan since 1946. Each month, 500 individuals are randomly selected from the contiguous United States (48 states plus the District of Columbia) to participate in the Surveys of Consumers. The...

[...]In this paper we attempt to contribute to such an improved mapping by analyzing the nutritional status of a representative sample of households in Syria. According to the preliminary results of this analysis, average levels of nutrient intake are relatively high in Syria, indicating a...

Much of the recent literature on price transmission focuses on whether price changesoccurring at one stage of the food sector are fully transmitted in changes to retail prices. Therole of market structure in determining the degree of price transmission is often emphasised,the presumption being...

Several portfolio approaches for the purchasing area have been developed in the past. The main reason was to enable companies to follow differentiated sourcing strategies depending on the classification of different purchase items within a defined portfolio. This should enable companies to...

In groupware tools, the activation of a function may affect other userswho might have conflicting interests. We developed technicalmechanisms to support users in resolving them. Contrary to currentimplementations of groupware tools, these mechanisms strengthen theposition of the users who are...

Random sets might be considered from several possible viewpoints. A "Business-managerial" 'viewpoint' would prop the following definition : take all sets, list them and then pick one set from this list at random. An "Image analysis" 'viewp oint' would yield alternatively the following...

Es gibt eine wachsende Literatur zur ”verhaltensorientierten“bzw. ”psychologischen“ Spieltheorie. Die meisten dieser Ansätze beziehen verschiedeneVorstellungen von Fairness, Ungleichheitsaversion oder andere intrinsischeMotive in die Nutzenfunktion ein, um empirisch beobachtbare...

A common feature of the literature on the evolution of preferencesis that evolution favors nonmaterialistic preferences only if preferencetypes are observable at least to some degree. We argue that this resultis due to the assumption that in each state of the evolutionary dynam-ics some Bayesian...