Do established parties change political institutions to disadvantage smaller, nonmainstream parties if the latters ́electoral prospects improve? We study this question with a natural experiment from the German federal state of Hesse. The experiment is the abolishment of an explicit electoral...

This paper examines the importance of electoral rules for legislators' behavior. It uses a quasi-natural experiment that assigns whether legislators are elected under the "first-pass-the-post" (FPTP), or the proportional representation (PR) electoral rule. The experiment is generated by the...

Do established parties change political institutions to disadvantage smaller, non-mainstream parties if the latters' electoral prospects improve? We study this question with a natural experiment from the German federal State of Hesse. The experiment is the abolishment of an explicit electoral...

We show that an institutional change designed expressly to heighten competition for the provision of union services can have a substantial effect on unionization and employment relations. We study a French reform of 2008 that introduced mandatory elections for representation of workers at firm,...

The paper estimates the policy representation of 34 German parties that participate in the 2017 Bundestag (federal) election. For this purpose, the party positions on 31 topical issues are compared with the results of recent public opinion polls. Then we construct the party indices of popularity...