Many important intertemporal decisions are made by groups rather than individuals. What happens to collective decisions when there is internal conflict about the tradeoff between present and future has not been thoroughly investigated so far. We study experimentally the causal effect of group...

Many important intertemporal decisions are made by groups rather than individuals. What happens to collective decisions when there is internal conflict about the tradeoff between present and future has not been thoroughly investigated so far. We study experimentally the causal effect of group...

This paper introduces a two-sided methodological framework for studies on cooperation based on a new game design. Presented games are continuous prisoner's dilemma games with positive and negative presentations of an identically structured decision problem. Decision makers can choose an...