Using data on annual individual labor income from three representative panel datasets (German SOEP, British BHPS, Australian HILDA) we investigate a) the selectivity of item non-response (INR) and b) the impact of imputation as a prominent post-survey means to cope with this type of measurement...

Members of parliament (MPs) often decide on their own salaries. Voters dislike self-serving politicians, and politicians are keen to gratify their voters. In line with the political business cycle theories, politicians thus may well delay deciding on increases in salaries until after elections....

We examine whether German state governments manipulated fiscal forecasts before elections. Our data set includes three fiscal measures over the period 1980-2014. The results do not show that electoral motives influenced fiscal forecasts in West German states. By contrast, East German state...

We examine whether parties punish politicians who vote against the party line in roll-call votes. Using data of German members of parliament over the legislative period 2009-2013, we take into account that the effect of punishment differs along the list of candidates because a candidate is...

Previous cross-sectional and intervention studies have suggested that pet owners may enjoy better physical and mental health than non-owners. This paper presents longitudinal evidence from a major national representative longitudinal survey: the German Socio-Economic Panel (SOEP). Because the...