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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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DIW focus / 2025
The integration chances of refugees in their host country are critically shaped by the contextual conditions of the location to which they are assigned upon arrival. Several research groups have developed algorithmic tools to optimize refugee-location matching, with the overall aim of improving refugees’ integration outcomes. These tools are used in a highly sensitive context and thus their design, ...
2025| Christoph Kern, Jakob Kappenberger, Frederic Gerdon, Clara Strasser Ceballos, Daria Szafran, Florian Rupp, Ruben L. Bach
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The new German federal government coalition is planning a significant tax break for workers of retirement age: the active pension (Aktivrente). With the active pension, workers who have reached the statutory retirement age may earn up to 2,000 euros a month tax-free, a move that the government is hoping will motivate more pensioners to work longer to counteract the skilled worker shortage. Microsimulation ...
In:
DIW Weekly Report 25+26/2025
DIW Weekly Report 25+26/2025
| Stefan Bach, Hermann Buslei, Johannes Geyer, Peter Haan, Joris Pieper
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Motivated by research on gender identity norms and the distribution of the woman’s share in a couple’s total labor income, we consider additive regression models for densities as responses with scalar covariates. To preserve nonnegativity and integration to one under vector space operations, we formulate the model for densities in a Bayes Hilbert space, which allows to not only consider continuous ...
In:
The Annals of Applied Statistics
19 (2025), 1, 680–700
| Eva-Maria Maier, Almond Stöcker, Bernd Fitzenberger, Sonja Greven
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Aktives Management gilt als ein Schlüssel für unternehmerischen Erfolg. Allerdings wurde die Bedeutung von Managementpraktiken bislang ausschließlich für große und mittlere Unternehmen untersucht. Neue Daten aus dem Sozio-oekonomischen Panel (SOEP) ermöglichen nun erstmals eine Analyse für kleine und kleinste Unternehmen (KKU) in Deutschland. Die Ergebnisse zeigen zum einen, dass Kernaktivitäten, wie ...
In:
DIW Wochenbericht
92 (2025), 26, 407-413
| Alexander Kritikos, Knarik Poghosyan, Alexander Schiersch
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Mit der Aktivrente plant die neue Regierungskoalition eine kräftige steuerliche Begünstigung von erwerbstätigen Rentner*innen. Diese sollen bis zu 2000 Euro im Monat steuerfrei hinzuverdienen können. Die Regierung erhofft sich, damit mehr Rentner*innen zum Weiterarbeiten zu motivieren und so dem Fachkräftemangel entgegenzuwirken. Mikrosimulationsanalysen auf Basis des Sozio-oekonomischen Panels (SOEP) ...
In:
DIW Wochenbericht
92 (2025), 25, 395-402
| Stefan Bach, Hermann Buslei, Johannes Geyer, Peter Haan, Joris Pieper
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Vor dem Hintergrund der demografischen Alterung in Städten gewinnt die Betrachtung der Lebensbedingungen Älterer an Bedeutung. Mittels kommunalstatistischer Daten der Innerstädtischen Raumbeobachtung und Geodaten wird untersucht, wie viele Einrichtungen der Daseinsvorsorge es in Stadtteilen deutscher Großstädte gibt. Es stehen Stadtteile mit einem hohen Anteil von Personen ab 65 Jahren im Fokus, um ...
In:
Zeitschrift für Gerontologie und Geriatrie
(online first) (2025),
| Judith Kaschowitz, Cornelia Müller, Dorothee Winkler
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Objective: This study aimed to examine the curvilinear relationship between screen time and mental health in childhood and adolescence—thereby testing the digital Goldilocks hypothesis (Przybylski & Weinstein, 2017). Methods: Multiple data sweeps were utilised from the Millennium Cohort Study, a nationally representative longitudinal study of children born in the UK in 2000-2002. Mental health ...
2024,
(OSF Preprints)
| Maria Loban, Jascha Dräger, Farid Bardid
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The aim of the Systematic Literature Review was to identify the physical and mental health, stress level in facing premarital. Design of the study was a literature review. This review was conducted according to the Cochrane guidelines for systematic review research and complies with the Preferred Reporting Items for Systematic Reviews and Meta-Analysis. We found six articles from electronic databases ...
In:
Prosiding the 2st International Conference on Health Sciences
2 (2025), 2, 45-54
| Siti Ahdah, Lisa Triana Arlym, Retno Widowati
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This study pursues two objectives: First, to describe how gender disparities in wealth levels vary by parental class and second, to examine the contribution of the gendered allocation of parental wealth to these differences. It thereby sheds light on the interplay between family background and gender in shaping wealth inequality. Using representative survey data from Germany, I find pronounced absolute ...
In:
Socio-Economic Review
23 (2024), 2, 645-669
| Nhat An Trinh