Risk and uncertainty are an integral part of everyday human interactions. Recent literature
has shown that group size uncertainty might change strategic cooperation behavior in …

The bystander effect is the phenomenon that people are less likely to help others when they
are in a group than when they are alone. The theoretical literature typically explains the …

We utilize a laboratory experiment to examine the effect of asymmetric costs in the
volunteer's dilemma, a public goods game where all players receive a benefit if at least one …

Individuals are less likely to make morally desirable decisions when they are in groups. I
study when this phenomenon makes groups less likely to produce a morally desirable …

This research investigates the effects of the group size and the magnitude of the
volunteering cost in a controlled large-scale laboratory experiment, where subjects play the …

In the “k‐volunteer's dilemma” benefit accrues to all members if at least k members
volunteer, and receive nothing otherwise. We use experiments to examine (a) volunteering …

Estudo experimental da cooperação na análise do comportamento: Buscando integrar
aprendizagem, evolução e desenvolvimento Page 1 carla.suarezjn@gmail.com Avenida Otacílio …

The present work aims to study the problem of individual voluntary anonymous contributions
to the financing of public goods in a dynamic setting. To do this, the article departs from a …

Cooperative behaviors are typically investigated using social dilemmas inserted into
scenarios with well-known characteristics. Nonetheless, in real life, group members may be …

Volunteering is a widespread allocation mechanism at the workplace and emerges naturally
in open-source software development, the generation of online knowledge platforms, and to …