In this paper we analyze the optimal degree of centralization for the supply of public goods. We identify the reliance on an exclusion mechanism as a central feature of the decentralized provision of public goods. An exclusion mechanism induces a contest between users of the public goods who...

Most models of ambiguity aversion satisfy Anscombe-Aumann's Monotonicity axiom. Monotonicity imposes separability of preferences across events that occur with unknown probability. We construct a test of Monotonicity by modifying the Allais paradox to a setting with both subjective and objective...