We present a new cake-cutting procedure which guarantees everybody a proportional share according to his own valuation.

We present a new cake-cutting procedure which guarantees everybody a proportional share according to his own valuation.

This note clarifies two issues in the context of Varian's (1994) model of sequential contributions to a public good. First, it is shown that private provision of a public good is not necessarily neutral with respect to income transfers when agents move sequentially rather than simultaneously....