We study cooperation in an environment where public good providers face the decision to accept a newcomer to their group. A bottom-up process for accepting new members to social groups reveals individual preferences to include newcomers. Alternatively, inclusion can be decided in a top-down...

We report results from an experimental set up in which two firms compete in an auction to win the license for a public project, submitting sealed offers regarding the project's quality and a bribe to the public official deciding. We study the role of an agent (citizen) who is either a mere...

We study cooperation in an environment where public good providers face the decision to accept a newcomer to their group. A bottom-up process for accepting new members to social groups reveals individual preferences to include newcomers. Alternatively, inclusion can be decided in a top-down...