Electoral thresholds in the context of parliamentary elections are an instrument for preventing the fragmentation of parliaments and facilitate the formation of a coalition government. However, the clauses also introduce distortions and modify the equality of electoral votes in an election. In...

In this article, we extend the application of cooperative game theory to the so-called low-risk puzzle. Specifically, we apply concepts that consider hierarchies on the assets in the allocation of portfolio risk. These hierarchies have not previously been considered in portfolio risk allocation...

In this note, we apply weighted hierarchical games of cooperative game theory to the problem of optimal firm size of the firm. In particular, we analyze the influence of production technology on the size of the firm. Our note enhances previous approaches using a permission structure with equally...

This article expands on previous studies of the so‐called low‐risk puzzle with concepts from cooperative game theory. To allocate portfolio risk to single assets, previous studies used concepts such as the Shapley value. In these concepts, the marginal contributions of assets to risks of...

Die Stimmanteile der Bundesländer im Bundesrat basieren auf einem Stufenmodell in Abhängigkeit von der Einwohnerzahl. Da die Abstimmungsmacht nicht dem relativen Stimmanteil eines Bundeslands entspricht, analysieren die Autoren die Verteilung der Abstimmungsmacht im Bundesrat mit Hilfe von...

In this article, we analyze the stability of couples on the marriage market. Recent developments in cooperative game theory allow a new model that uses team games which make it possible to model the marriage market. Coalition structures can model couples. We analyze two cases: a symmetrical one...

Nach langwierigen Verhandlungen haben sich CDU/CSU und SPD auf einen Koalitionsvertrag geeinigt und eine gemeinsame Regierung gebildet. In diesem Beitrag wird analysiert, wie verschiedene Koalitionsaussagen der Parteien im Vorfeld der Bundestagswahl 2013 die Verteilung der Macht in der...