In spite of the importance of exogeneity in econometric modeling, an unambiguous definition does not seem to have been proposed to date. This lack has not only hindered systematic discussion, it has served to confuse the connections between "casuality" and "exogeneity". Moreover, many existing...

The public phase of a capital campaign is typically launched with the announcement of a large seed donation. Andreoni (1998) argues that such a fundraising strategy may be particularly effective when funds are being raised for projects that have fixed production costs. The reason is that the...

Consistent with nonprofit fundraising practices, donation visibility has been shown to increase giving. While concern for status is used to explain this response, the authors argue that this explanation relies on the assumption that giving signals only income or generosity. When giving signals...