We analyze the impact of elected competitors from the same constituency on legislative shirking in the German Bundestag from 1953 to 2017. The German electoral system ensures at least one federal legislator per constituency with a varying number of elected competitors between zero to four from...

We analyze the impact of elected competitors from the same constituency on legislative shirking in the German Bundestag from 1953 to 2017. The German electoral system ensures that there is always at least one federal legislator per constituency with a varying number of elected competitors from...

In this paper we show that findings of an apparently instable popularity function of U.S. presidents, as reported in the previous literature, are likely the consequence of the common use of linear estimation techniques. Employing Penalized Spline Smoothing in the context of Additive Mixed Models...