Understanding the proximate and ultimate sources of human cooperation is a fundamental
issue in all behavioural sciences. In this paper, we review the experimental evidence on …

In recent years, a large number of economic theories have evolved to explain people's pro-
social behavior and the variation in their respective behavior. This paper surveys economic …

Este libro refleja una larga experiencia de investigación, que abarca una amplia gama de
desafíos contemporáneos como son el manejo de las pesquerías oceánicas, la protección …

A critical question facing experimental economists is whether behavior inside the laboratory
is a good indicator of behavior outside the laboratory. To address that question, we build a …

We document the widespread existence of antisocial punishment, that is, the sanctioning of
people who behave prosocially. Our evidence comes from public goods experiments that we …

One lingering puzzle is why voluntary contributions to public goods decline over time in
experimental and real-world settings. We show that the decline of cooperation is driven by …

Experimenter demand effects refer to changes in behavior by experimental subjects due to
cues about what constitutes appropriate behavior. We argue that they can either be social or …

Several economists have maintained that social and internalized norms can enforce
cooperation in public good situations. This experimental study investigates how two …

Psychological game theory can provide rational-choice-based framing effects; frames
influence beliefs, beliefs influence motivations. We explain this theoretically and explore …

In an otherwise neutrally described Prisonersʼ dilemma experiment, we document that
behavior is more likely to be cooperative when the game is called the Community Game …