Oster (2005) argued that parents with Hepatitis B (HBV) have more sons, which explained Asia's "missing women". Lin and Luoh (2008) show no relationship between gender and mother's HBV. We test for a relationship between paternal HBV and son share and find none.

The otherwise seemingly robust age U-shape effect on life satisfaction in pooled OLS regressions is refuted with the German SOEP when controlling for panel fixed effects and respondent experience in the panel. Interviewer characteristics also impact significantly on life satisfaction responses.