Marcel Mauss schrieb 1923 in seinem Essay Die Gabe, er habe in den Motiven des Gabentauschs »einen der Felsen gefunden, auf denen unsere Gesellschaften ruhen«. Bis heute wirft diese These Fragen auf: Wie…
Like many other countries, Germany has experienced rapid population and workforce ageing, yet with substantial variation across regions. In this paper we first use this spatial variation between 1975 and 2014 to…
In a randomized field experiment, we show that a low-cost intervention, weekly email reminders, increases the weekly exercising frequency of gym members by 13%, with the effect being larger for class…
