Questions about monetary variables (such as income, wealth or savings) Key words: Imputation methods, Monte-Carlo simulation, imputation evaluation, itemnonresponse, missing data, imputation, retransformation, sample surveys, SAVE JEL classification: C01, C81, C49 1 I would like to thank Michela Coppola (MEA) for very helpful support, as well as Axel Börsch-Supan (MEA), Daniel Schunk (Johannes Gutenberg University Mainz), Armin Rick (University of Chicago), Mathias Sommer, Hendrik Jürges (Universität Wuppertal), Uli Schlieper (MEA), Cornelius Schmidt (Université de Lausanne) for their helpful comments. Alexander Aldinger, Helen Grupp, Dörte Heger, Corinna Kartzke, Julius Nick, Michael Schardt, Stefanie Schulz, and Marius Wolter provided excellent research assistance. I am grateful to the seminar participants at MEA for many useful comments. MEA is a research institute which is funded by two thirds through public third-party means for which I am very grateful. Furthermore, I would like to thank the state of Baden-Württemberg and the German Insurance Association for financing the basic funding of MEA. I am particularly grateful to the German Research Foundation (Deutsche Forschungsgemeinschaft) for financing the SAVE survey.