Why do large European banks lobby for monetary union? We show in a game-theoretic model that monetary union can trigger a change in the structure of the market for international banking transactions with asymmetric effects on profits: large banks are induced to cooperate internationally and gain...

Optimal voting rules have to be adjusted to the underlying distribution of preferences. However, in practice there usually is no social planner who can perform this task. This paper shows that the introduction of a stage at which agents may themselves choose voting rules according to which they...