Im Enzyklopädieprojekt Wikipedia kooperieren hunderttausende Menschen; sie kommen mit einem minimalen Aufwand an Koordination aus. Das Ergebnis ist ein öffentliches Gut, das oft sogar traditionellen Nachschlagewerken überlegen ist. Klassische Theorien der Kooperation, wie Eigennutz oder...

We develop a model that allows for public goods and status signaling through charitable contributions. This model provides a unified framework in which contributions are driven both by altruism and status signaling. We use this setup to re-examine the conventional practice of rendering a...

Fundraisers often start their campaigns by soliciting the wealthier, more recognized and respected individuals in a community. We examine whether an explanation for such a solicitation ordering may be that people prefer to associate with those of higher social ranking than themselves. Using a...

We develop a model that allows for public goods and status signaling through charitable contributions. This model provides a unified framework in which contributions are driven both by altruism and status signaling. We use this setup to re-examine the conventional practice of rendering a...