Fungibility of money is a central principle in economics. It implies that any unit of money is substitutable for another and that the composition of income is irrelevant for consumption. We find in a field experiment that even in a simple, incentivized setup many subjects do not treat money as...

Fungibility of money is a central assumption in the theory of consumer choice: any unit of money is substitutable for another. This implies that the composition of income or wealth is irrelevant for consumption. We find in a field experiment that even in a simple, incentivized setup many...

Die Präzision ökonomischer Prognosen und die Qualität politischer Handlungsempfehlungen hängen in entscheidendem Ausmaß von der Qualität des zugrunde liegenden Verhaltensmodells ab. Nur ein empirisch gut fundiertes Modell ökonomischen Handelns erlaubt es, die Konsequenzen politischer...