Like many medical studies, the Berlin Aging Study II (BASE-II) is based on a non-random convenience sample of self-recruited participants. To study processes of selectivity in BASE-II, we used an identical questionnaire to compare BASE-II with a large, representative reference study, the German...

Selective attrition out of longitudinal datasets is a concern for empirical researchers. This paper discusses a simple way to identify both direction and magnitude of potential sample bias in household panels. The idea is to exploit multiple types of simultaneous entries into the panel. The...

Facing unprecedented uncertainty and drastic trade-offs between public health and other forms of human well-being, policy makers during the Covid-19 pandemic have sought the guidance of epidemiologists and economists. Unfortunately, while both groups of scientists use many of the same basic...

Facing unprecedented uncertainty and drastic trade-offs between public health and other forms of human well-being, policymakers during the Covid-19 pandemic have sought the guidance of epidemiologists and economists. Unfortunately, while both groups of scientists use many of the same basic...

The UK imports many doctors from abroad, where medical training and experience might be different. This study attempts to understand how drug prescription behaviour differs in English GP practices which have larger or smaller numbers of foreign-trained GPs. Results show that in general practices...

Like many medical studies, the Berlin Aging Study II (BASE-II) is based on a non-random "gconvenience sample" of self-recruited participants. To study processes of selectivity in BASE-II, we used a questionnaire to compare BASE-II with a large, representative reference study, the German...

The drop in quinoa prices during 2015 caused a deep economic and environmental crisis that forced producers to seek new sources of income and marketing strategiesto achieve production sustainability. Under these circumstances, women producers also had to seek a beter balance between their tasks...

Correctly measuring individual dynamics in labour market behaviour has become increasingly important as research and policy attention has become more focused on the relationships between current employment opportunities and past experience. Surveys collecting information on labour market...

We compare three EU countries that have recently experienced substantial but very different reforms of their family support systems: Austria, Spain and the UK. The structure of these systems is different: Austria emphases universal benefits, Spain tax concessions and the UK means-tested...

Das System der Volkswirtschaftlichen Gesamtrechnungen (VGR) in Deutschland wurde im Frühjahr 2005 von der Festpreisbasis auf das Vorjahrespreiskonzept (Kettenindexkonzept) umgestellt. Dadurch werden Substitutionseffekte besser berücksichtigt und die periodische Umbasierung der Zeitreihen...