Signature requirements are often used as hurdles to prevent overuse of direct democratic instruments such as citizen initiatives. We evaluate the causal effect of lowering signature requirements on the number of observed citizen initiative petitions. Based on municipal-level data for Germany, we...

This paper explores the causal relationship between vote outcomes in different elections. We ask: (1) Does the partisan identity of the mayor influence the voter's decision in subsequent town council elections? (2) Do voters condition their vote for the mayor on the result of the last council...

Do district incumbents in an election have an advantage, and if so, do these advantages depend on which party is in government? We estimate the incumbency effect for the direct district candidates in German federal and state elections using a regression discontinuity design (RDD). When studying...