"Further education and training activities are considered to be recalled only with difficulty. Therefore non-formal and informal training activities have mostly not been collected in retrospective surveys. Within the framework of the IAB-ALWA study 'Working and Learning in a Changing World' also...

"The so-called 'One-Euro-Jobs' are an important workfare program for unemployed persons receiving benefits according to Germany's Social Code II ('Sozialgesetzbuch Zweites Buch'), aiming at needy benefit recipients who can not be integrated into regular employment by means of other active labor...

"The basic concept of multiple imputation is straightforward and easy to understand, but the application to real data imposes many implementation problems. To define useful imputation models for a dataset that consists of categorical and of continuous variables with distributions that are...

"Event history calendars (EHC) have proven to be a useful tool to collect retrospective autobiographic life course data. One problem is that they are only standardized to some extent. This limits their applicability in large-scale surveys. However, in such surveys a modularized retrospective...

"Further education and training activities are considered to be recalled only with difficulty. Therefore non-formal and informal training activities have mostly not been collected in retrospective surveys. Within the framework of the IAB-ALWA study 'Working and Learning in a Changing World' also...

"The linked employer-employee dataset of the IAB (LIAB) is created by matching the data of the IAB establishment panel and the process-produced data of the Federal Employment Services (in particular the IAB). The distinctive feature of these data is the combination of information about...

"Data fusion techniques typically aim to achieve a complete data file from different sources which do not contain the same units. Traditionally, this is done on the basis of variables common to all files. It is well known that those approaches establish conditional independence of the specific...

"To compare different missing data techniques, in this paper I use a survey where participants were among other things asked permission for combining the survey with administrative data (record linkage). For those who refuse their permission I set their survey answers to missing, creating...

"This paper illustrates the effects of item-nonresponse in surveys on the results of multivariate statistical analysis when estimation of productivity is the task. To multiply impute the missing data a data augmentation algorithm based on a normal/Wishart model is applied. Data of the German IAB...

"In this paper, we remove one serious drawback of the IAB employment sample impeding its applicability to the estimation of earnings frontiers: the censoring of the income data, by multiple imputation. Then, we estimate individual potential income with stochastic earnings frontiers, and we...