Auf der Basis eines mittels einer Onlinebefragung erhobenen Datensatzes wird auf der Basis der haushalts- bzw. konsumgütertheoretischer Überlegungen und verhaltenstheoretischer Konzepte untersucht, wie der Umfang der von ehrenamtlich Engagierten in Fußballvereinen geleisteten Arbeit von der...

Ziel dieses Papers ist es, im Hinblick auf die in Deutschland geplante Einführung eines Qualitätsanreizsystems bei Elektrizitätsnetzbetreibern, eine geeignete Methode für die hierfür notwendige Bewertung der Netzzuverlässigkeit gleichbedeutend mit den wohlfahrtswirksamen Stromausfallkosten...

According to the German SAVE survey, more than 40 percent of households regularly save fixed amounts rather than flexibly adjusting savings to income variations as assumed by the Permanent Income Hypothesis (PIH). Fixed amount saving behaviour could thus imply a challenge to PIH-based standard...

This paper develops a conceptual framework that can explain why economic development goes along with increases in body weight and obesity rates. We first introduce the concept of novelty consumption, which refers to an increase in food availability due to trade or innovation. Then we study how...

This paper assesses the effects that an introduction of the French family splitting mechanism would have on German families' labour supply and intra-household consumption behaviour. We use simulated real world microdata created by means of a "deterministic" collective labour supply model. The...

Both data and people's self-reports reveal that there is an undersaving problem. Behavioral economics seeks to explain this phenomenon with the concept of hyperbolic discounting. In essence, short-term actions are inconsistent with long-term goals. This is applied to the German pension system in...

Consumers often cannot judge the quality of goods and services at the time of the purchase decision. The goodwill model explains how the market participants deal with this problem. It makes a distinction between markets for search goods, experience goods and credence goods. In markets for...

Der Sachverständigenrat für Verbraucherfragen hat erstmals ein breit angelegtes Gutachten zur Lage der Verbraucher:innen in Deutschland vorgelegt. Gert G. Wagner, Mitglied im Sachverständigenrat für Verbraucherfragen, stellt aus seiner persönlichen Sicht ausgewählte Analysen, Ergebnisse...

We demonstrate that interpersonal comparisons lead to "keeping up with the Joneses"-behavior. Using annual household data from the German Socio-Economic Panel, we estimate the causal effect of changes in reference consumption, defined as the consumption level of all households who are perceived...

This paper develops a conceptual framework that can explain why economic development goes along with increases in body weight and obesity rates. We first introduce the concept of novelty consumption, which refers to an increase in food availability due to trade or innovation. Then we study how...