To the best of our knowledge, most of the few methodological studies which analyze the impact of faked interviews on survey results are based on "artificial fakes" generated by project students in a "laboratory environment". In contrast, panel data provide a unique opportunity to identify data...

To the best of our knowledge, most of the few methodological studies which analyze the impact of faked interviews on survey results are based on "artificial fakes" generated by project students in a "laboratory environment". In contrast, panel data provide a unique opportunity to identify data...

Empirical analyses of economic inequality, poverty, and mobility in Germany are, to an increas-ing extent, using microdata from the German Federal Statistical Office's contribution to the European Union Statistics on Income and Living Conditions (EU-SILC) as well as data from the German...

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...

Die halbjährliche Zeitumstellung führt immer wieder zu heftigen Diskussionen, ob die damit verbundenen Unannehmlichkeiten durch eine entsprechende Energieersparnis gerechtfertigt sind. Die Autoren haben die Stromersparnis für die Optionen Sommerzeit und Winterzeit (Status quo), nur Winterzeit...

In this paper we define and estimate measures of labor market frictions using data on job durations. We compare different estimation methods and different types of data. We propose and apply an unconditional inference method that can be applied to aggregate duration data. It does not require...

In this paper we seek to deepen understanding of out-migration as a social and economic process and to investigate whether cross-sectional earnings assimilation results suffer from selection bias. To model the process of out-migration we conduct a detailed event history analysis of men and women...

In this paper we seek to deepen understanding of out-migration as a social and economic process and to investigate whether cross-sectional earnings assimilation results suffer from selection bias. To model the process of out-migration we conduct a detailed event history analysis of men and women...

Die vorliegende Studie wurde im ifo Arbeitsbereich Branchenforschung erstellt und im Frühjahr 2005 abgeschlossen. Auftraggeber war das Bundesministerium für Wirtschaft und Arbeit. Gegenstand der Studie sind der Stand und die Perspektiven der „New Economy“ in Deutschland sowie ein Vergleich...

The objective of this paper is to examine the recent literature on the standard open economy macro paradigm. Since there are many aspects to this literature, we concentrate on issues regarding the nature of restrictions imposed in order to gain identification, the general problem of...