Retirement Study to compare the measurement quality of a number of scales between face-to-face, telephone and Web modes. Panel … and decrease non-response error it may have detrimental effects on measurement quality. This can happen because different … modes have distinct measurement biases which, when combined with selection effects, can increase the total survey error of a …

We show that the choice of the welfare measure has a substantial impact on the degree of welfare-related health … inequality. Combining various income and wealth measures with different health measures, we calculate 80 health concentration … indices. The influence of the welfare measure is more pronounced when using subjective health measures than when using …

objective health measures. -- Health inequality ; concentration index ; income measurement ; SOEP …We show that the choice of the welfare measure has a substantial impact on the degree of welfare-related health … inequality. Combining various income and wealth measures with different health measures, we calculate 80 health concentration …