Demographisch gegliederte Nachfragesysteme modellieren Unterschiede im Verbrauch verschiedener Verbrauchergruppen bzw. Haushaltstypen. In der vorliegenden Arbeit wird untersucht, welche Nachfragesysteme einerseits die Restriktionen der neoklassischen Nachfragetheorie erfüllen und andererseits...

Die Eigenschaften moderner Konsumgüter sind für die Konsumenten oft schwer einzuschätzen. Die Folgen sind Qualitätsunsicherheit und fehlerhafte Bewertungen der von den Produkten ausgehenden Gefahren. Informationsprobleme können ein "Marktversagen" begründen. -- Von den Autoren ist...

In response to increasing health expenditures and a high number of physician visits, the German government introduced a copayment for ambulatory care in 2004 for individuals with statutory health insurance (SHI). Because persons with private insurance were exempt from the copayments, this health...

The positive association between moderate alcohol consumption and wages is well documented in the economic literature. Positive health effects as well as networking mechanisms serve as explanations for the "alcohol-income puzzle." Using individual-based microdata from the GSOEP for 2006, we...

This paper investigates the short-term effects of public smoking bans on individual smoking behavior. In 2007 and 2008, state-level smoking bans were gradually introduced in all of Germany's sixteen federal states. We exploit this variation in the timing of state bans to identify the effect that...

The life-cycle hypothesis implies that consumption would not decline at retirement. However, several studies found relevant declines in food consumption after retirement for the United States. Others concluded that this contradiction of the life-cycle hypothesis is solved by allowing for broader...

This paper empirically investigates the relevance of liquidity constraints and excess sensitivity in intertemporal household consumption. Using a pseudo panel that has been constructed on rich German consumption survey data, we estimate the consumption responses to permanent and transitory...

This paper investigates empirically the consumer demand of environmentally relevant goods for Germany, as well as their relationship to the demand for leisure. Higher prices for energy goods like gas, electricity or fuel oil due to higher indirect taxation amongst others may have serious welfare...

We study how website defaults affect consumer behavior in the domain of charitable giving. In a field experiment that was conducted on a large platform for making charitable donations over the web, we exogenously vary the default options in two distinct choice dimensions. The first pertains to...