The composition of governing coalitions does not always reflect the relative sizes of the coalition members, but research has not been able to fully reconcile why. We propose that political parties with more (re-elected) incumbent representatives fare better in coalitional bargaining. To...

We study competition between political parties in repeated elections with probabilistic voting, allowing a multidimensional policy space and multiple political parties. This model entails multiple equilibria. When parties hold different opinions on some policy, they may take different policy...

The increasing electoral success of populist radical-right parties poses a significant challenge to established political parties in Western democracies. While mainstream parties often maintain a policy of non-cooperation with these newcomers, such cordon sanitaire strategies can become...