Why do fundraisers announce initial contributions to their charity?Potential explanations are that these announcements cause future donors to increase their contributions, either because they want to reciprocate the generosity of earlier donors, or because the initial contributions are seen as a...

We examine contributions to a public good when some donors do not know the true value of the good.If donors in such an environment determine the sequence of moves, two contribution orders may arise as equilibria.Either the uninformed and informed donors contribute simultaneously or the informed...