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An increasing number of research projects and infrastructure services involve pooling data across different survey programs. Creating a homogenous integrated dataset from heterogeneous source data is the domain of ex-post harmonization. The harmonization process involves various considerations. However, chief among them is whether two survey measurement instruments have captured the same concept. This ...
In:
Quality & Quantity
58 (2024), 4, 3303-3329
| Ranjit Konrad Singh, Cornelia Eva Neuert, Tenko Raykov
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This paper outlines two studies on education bias in German probability-based surveys. Study 1 reviews data from 67 surveys across 19 survey programs conducted in Germany from 2000 to 2023. We found a consistent underrepresentation of individuals with a low level of formal education. We also found that the transition to self-administered modes due to rising survey costs may exacerbate this bias in ...
In:
International Journal of Social Research Methodology
(2025), 1–18
| Annika Stein, Tobias Gummer, Elias Naumann, Björn Rohr, Henning Silber, et al.
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Das ZEW Mannheim hat in Kooperation mit der Süddeutschen Zeitung die finanziellen Auswirkungen von Reformvorschlägen der Parteien zur Bundestagswahl 2025 untersucht. Diese betreffen die Einkommensteuer und den Solidaritätszuschlag, die Vermögensteuer, das Bürgergeld, den Mindestlohn und Pläne für ein Klimageld. Die Analyse konzentriert sich auf Vorschläge, deren Wirkung für einzelne Haushalte beziehbar ...
Mannheim:
ZEW - Leibniz-Zentrum für Europäische Wirtschaftsforschung GmbH Mannheim,
2025,
(ZEW Gutachten)
| Holger Stichnoth, Michael Hebsaker
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Background Populations experiencing precarity face heightened mental health inequities, especially during crises. In this regard, it is established that socio-economic status (SES) and social isolation are critical factors influencing mental health outcomes, which interact syndemically. Understanding their interrelated mechanisms is crucial for developing effective public health strategies to support ...
In:
SSM - Population Health
31 (2025), 101822
| Victoria Touzel, Doreen Reifegerste, Kayvan Bozorgmehr, Louise Biddle
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The current work relies on G-SOEP to study the effects of import competition on fertility choices. This phenomenon has been addressed by using a single-observation dataset following the seminal paper of Autor et al. (2014). The results show a negative and significant effect on the choice of childbearing.Moreover, the trade exposure measure has been computed by aggregating the Lander and, in a second ...
2025,
| Giulia Ulivieri
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This study evaluates the impact of Germany’s 2007 parental leave reform (Elterngeld), which introduced two months of non-transferable leave for fathers. Using a sharp regression discontinuity design (RDD) with longitudinal data from the German Socio-Economic Panel (SOEP), the analysis compares families with children born just before and after the policy’s implementation. The reform helped mothers return ...
2025,
| Christina Lin
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How does the arrival of a new immigrant group affect earlier generations of immigrants? Do intergroup relations and self-identification among earlier immigrants change? Previous research on ethnic boundaries is usually restricted to a twogroup paradigm and primarily focuses on the majority group's perspective. In contrast, this study analyzes how the arrival of refugees in Germany influenced previous ...
Berlin:
DIW Berlin,
2025,
(SOEPpapers 1225)
| Renate Gabriele Lorenz
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Despite extensive literature on incentives to increase employees’ work performance, economic research on employer-provided non-monetary benefits remains rare. This study investigates the relationship between benefits and employees’ work effort utilizing data from the German Socio-Economic Panel. The analysis is based on data from eleven survey waves from 2006 to 2022 and considers five benefit types: ...
Berlin:
DIW Berlin; SOEP,
2025,
(SOEPpapers on Multidisciplinary Panel Data Research No. 1228)
| Helena Manger
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The complex topic of health involves various determinants that impact refugees differently from the general population. Refugees' experience itself serves as a determinant, interacting with individual and socio-economic factors throughout the migratory cycle, making them particularly vulnerable. The theoretical contribution of this study lies in its focus on resilience as a key protective factor ...
In:
Genus
81 (2025), 1, 15
| Daria Mendola, Annalisa Busetta
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Separation, divorce, and repartnering are increasingly common across European societies. These partnership transitions are closely related to individuals' housing careers. For example, after separation, individuals are likely to move out of homeownership and experience a period of elevated residential mobility. However, little is known about the role of repartnering for post-separation housing ...
In:
Population, Space and Place
31 (2025), 6,
| Júlia Mikolai, Hill Kulu, Michael J. Thomas, Sergi Vidal