This article puts forth a joint-supply model of charity, in which the purchase of a private good yields excess revenues used to finance a public charitable output. Joint supply is an especially effective fund-raising technique when the private and public goods are Hicksian complements....

This article has two purposes. First, the bounds of the neutrality theorem for the private provision of public goods are more firmly established The focus is on the non-neutrality of non-Nash equilibria in which nonzero conjectures depend on the agent's own contribution. The non-neutrality of...