Gegenwärtig werden viele Vorschläge diskutiert, das Arbeitslosengeld II (»Hartz IV«) zu reformieren: Die Bezugsdauer des Arbeitslosengeldes I könnte verlängert werden, man könnte die Zuverdienstmöglichkeiten ausweiten oder Hartz IV sogar komplett durch ein Bürgergeld ersetzen. Wie sind...

Millionen Menschen in Deutschland sind von Altersarmut bedroht. Und das Risiko, von Altersarmut betroffen zu sein, wird in den nächsten Jahren vor allem durch den bevorstehenden Eintritt der Babyboomer-Generation in den Ruhestand noch steigen. Die umlagefinanzierte gesetzliche...

How should a society choose between two social alternatives if participation in the decision process is voluntary and costly and monetary transfers are not feasible? Considering symmetric voters with private valuations, we show that it is utilitarian-optimal to use a linear voting rule: votes...

Zusammenfassung Die bisher getrennte empirische Literatur zu Zentralbankglaubwürdigkeit und Insider Macht auf Arbeitsmärkten wird kritisch im Licht eines einheitlichen Modells untersucht, das den Interessenkonflikt von Gewerkschaften und Zentralbank bei der Bestimmung von Beschäftigung und...

This is a survey on the recent game theoretic literature on committee decision making. We consider theoretical work on the role of (i) strategic voting, (ii) costly information acquisition, (iii) conflicting interests, and (iv) communication in committees. Moreover, we review recent experimental...

Some committees convene behind closed doors while others publicly discuss issues and make their decisions. This paper studies the role of open and closed committee decision making in presence of external influence. We show that restricting the information of interest groups may reduce the bias...

In this paper we assess to what extent in the existence of a financial crisis, government spending can contribute to mitigate economic downturns in the short run and whether such impact differs in crisis and non crisis times. We use panel analysis for a set of OECD and non-OECD countries for the...

Under simple majority voting an absolute majority of voters may choose policies that are harmful to minorities. It is the purpose of sub- and super-majority rules to protect legitimate minority interests. We study how voting rules are chosen under the veil of ignorance and whether there are...

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...