Why do political constituencies delegate decision power to representative assemblies? And how is the size of such assemblies determined? We analyze these questions of constitutional design in a model with voters learning their preferred alternative only after engaging in costly information...

We model the process of coalition formation in the 16th German Bundestag as a hedonic coalition formation game. In order to induce players' preferences in the game we apply the Shapley value of the simple game describing all winning coalitions in the Bundestag. Using different stability notions...