Cooperation among strangers has been hypothesized to have declined in the United States
over the past several decades, an alarming trend that has potential far-reaching societal …

Humans frequently cooperate for collective benefit, even in one-shot social dilemmas. This
provides a challenge for theories of cooperation. Two views focus on intuitions but offer …

We study two generic versions of public goods problems: in Provision problems, the public
good does not exist initially and needs to be provided; in Maintenance problems, the public …

A growing literature in experimental economics examines the conditions under which
cooperation can be sustained in social-dilemma settings. In particular, several recent studies …

This paper focuses on the social function of painful experience as revealed by recent studies
on social decision-making. Observing others suffering from physical pain evokes empathic …

An experiment is proposed in which the subjects could contribute to a public good which
could be thought of as reducing pollution, which was stochastic. A nudge (announcement of …

How does self-esteem influence cooperative behavior in the face of social dilemmas? The
findings of previous studies are inconsistent and ignore the distinction between giving and …

We experimentally investigate team behavior in repeated public goods games and use team
chat logs to study motives for contribution. Subjects are matched into two-person teams, and …

A number of recent papers have looked at framing effects in linear public good games. In
this comment, I argue that, within this literature, the distinction between give-take and …

The aim of this paper is to examine how framing influences people's cooperation behavior in
social dilemmas. In Experiment 1 we investigated the influence of outcome valence (positive …