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IPCC (2022) documents a looming gap between climate goals and implemented policies and points to a lack of political commitment. We study policymakers' incentives to commit. A policymaker decides on a policy to encourage citizens to make investments and determines the degree of flexibility to...
Persistent link: https://www.econbiz.de/10014369623
Simple games in partition function form are used to model voting situations where a coalition being winning or losing might depend on the way players outside that coalition organize themselves. Such a game is called a plurality voting game if in every partition there is at least one winning...
Persistent link: https://www.econbiz.de/10015173722
There are many situations in which different groups make collective decisions by committee voting, with each group represented by a single person. A natural question is what voting system such a committee should use. Concepts based on voting power provide guidelines for this choice. The two most...
Persistent link: https://www.econbiz.de/10010337025
There are many situations in which different groups make collective decisions by committee voting, where each group is represented by a single person. Theoretical concepts suggest how the voting systems in such committees should be designed, but these abstract rules can usually not be...
Persistent link: https://www.econbiz.de/10010240053
We explore how public opinion polls affect candidates' campaign spending in political competition. Generally, polls lead to (more) asymmetric behavior. Under a majority rule there always exists an equilibrium in which the initially more popular candidate invests more in the campaign and thereby...
Persistent link: https://www.econbiz.de/10010224792
In a system of proportional representation, we study the interaction between a voter's turnout decision and her party choice, and how these relate to party polarization. Quantal response equilibria predict such interaction effects. In particular they predict (i) a Polarization Effect: reduced...
Persistent link: https://www.econbiz.de/10010225770
We introduce the prediction value (PV) as a measure of players' informational importance in probabilistic TU games. The latter combine a standard TU game and a probability distribution over the set of coalitions. Player i's prediction value equals the difference between the conditional...
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