The supersizing phenomenon where menu prices for large fast food portions appear to be well below their marginal production costs is of considerable scholarly and policy interest. This article examines a monopoly facing demand functions where the single-crossing condition is violated. We find a...

The supersizing phenomenon where menu prices for large fast food portions appear to be well below their marginal production costs is of considerable scholarly and policy interest. This article examines a monopoly facing demand functions where the single-crossing condition is violated. We find a...

In the Nash Demand Game each of two players announces the share he demands of an amount of money that may be split between them. If the demands can be satisfied, they are; otherwise, neither player receives any money. This game has many pure-strategy Nash equilibria. This note characterizes...