Drawing on data from the twenty year long German Socioeconomic Panel Study, we show that partisanship is bounded. Almost every West German, East German, and immigrant never supports one or both of the major parties and most people vary support for their party by claiming no partisan preference....

This paper focuses on fraud detection in surveys using Socio-Economic Panel (SOEP) data as an example for testing newly methods proposed here. A statistical theorem referred to as Benford's Law states that in many sets of numerical data, the significant digits are not uniformly distributed, as...