Although people normally prefer a more certain option over a riskier option of equal expected value, sometimes they are tempted to choose the riskier, but more rewarding one. Such temptation is even stronger when people decide for the distant future as compared with the near future. In...

An intensive program of 40 years of research has produced various conceptual cognitive and affective approaches to environmental risk perception. In this short review of the most relevant conceptual approaches, appraisal theory is presented as a useful means of integrating cognitive and...

Der vorliegende Beitrag untersucht die Konstrukte Einstellung und Vertrauen im Kontext eines Lebensmittelzwischenfalls (Dioxin), um diejenigen Einstellungs- und Vertrauenskomponenten zu identifizieren, die die Kaufentscheidung signifikant beeinflussen. Eine erweiterte Version des Modells von...

The development and use of long-lived public goods involves more than one demographic generation, leaving the classic literature on voluntary provisions partially unfit to explain complex phenomena such as welfare systems, climate policies and major infrastructure projects. This paper proposes a...

External validity is the problem of generalizing results from laboratory to non-laboratory conditions. In this paper we review various ways in which the problem can be tackled, depending on the kind of experiment one is doing. Using a concrete example, we highlight in particular the distinction...