High-worth individuals are typically underrepresented or completely missing in population surveys. The lack of a register-based sampling frame on high-worth individuals in many countries challenged previous attempts to sample high-worth individuals in voluntary scientific surveys. In a novel...

Statistical Analysis in surveys is often facing missing data. As case-wise deletion and single imputation prove to have undesired properties, multiple imputation remains as a measure to handle this problem. In a longitudinal study, where for some missing values past or future data points might...

We investigate two determinants of the price sensitivity of health plan demand among retirees in the German social health insurance (SHI): the size of the choice set and the salience of premium differences. We use variation in the choice set over time and between regions, and an increase in the...

We provide levels of, compositions of, and inequalities in household augmented wealth – defined as the sum of net worth and pension wealth – for two countries: the United States and Germany. Pension wealth makes up a considerable portion of household wealth: about 48% in the United States...