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Abstentions in the German Bundesrat and ternary decision rules in weighted voting systems
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March 3, 2011
Abstract
Ternary decision rules allowing for abstentions,besides Yea- and Nay-votes, are analyzed. The German Bundesrat serves as a prime example. We show that the decision-making efficiency of the Bundesrat would increase if abstentions were allowed. A general formula for the mean success margin of a ternary decision rule is derived assuming selfdual and permutationally invariant distributions. The ternary Penrose–Banzhaf model is discussed in detail, and the influence probabilities of voters and a rule´s influence sensitivity are evaluated.
Keywords: decision-making efficiency; Penrose-Banzhaf index; straight majority rule; unanimity rule; voting power
Published Online: 2011-03-03
Published in Print: 2011-03
© by Oldenbourg Wissenschaftsverlag, Augsburg, Germany
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Keywords for this article
decision-making efficiency;
Penrose-Banzhaf index;
straight majority rule;
unanimity rule;
voting power
Articles in the same Issue
- Abstentions in the German Bundesrat and ternary decision rules in weighted voting systems
- Asymptotic utility-based pricing and hedging for exponential utility
- Robust replication in H-self-similar Gaussian market models under uncertainty
- A note on moment convergence of bootstrap M-estimators
- On the maximization of financial performance measures within mixture models
