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This paper estimates child penalties in labour-market-relevant cognitive skills, such as numeracy but also literacy and problem-solving competencies. We use international PIAAC data and adapt a pseudo-panel approach to a single cross-section covering 29 countries. Numeracy scores, which are associated with the largest returns to skills and pronounced gender differences, decline by 0.11 standard deviations ...
In:
European Economic Review
184 (2026),
| Jonas Jessen, Lavinia Kinne, Michele Battisti
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We survey thousands of affluent American investors to examine the relationship between personalities and investment decisions. The Big Five personality traits correlate with investors' beliefs about the stock market and economy, risk preferences, and social interaction tendencies. Two personality traits, Neuroticism and Openness, stand out in their explanatory power for equity investments. Investors ...
In:
Journal of Financial Economics
153 (2024), 103776
| Zhengyang Jiang, Cameron Peng, Hongjun Yan
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Health information about vaccinations is communicated via various sources of information and is crucial for vaccination decisions. Information sources such as interpersonal sources, traditional print and digital media as well as social media offer information about the risks and benefits of vaccination. During health crises such as the COVID-19 pandemic was, some information sources provide hanging ...
In:
PLOS ONE
20 (2025), 9, e0333268
| Susanne Jordan, Sarah Jane Böttger, Sabine Zinn
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To mitigate the spread of contagious diseases, there is an ongoing discussion surrounding interventions that strategically target individuals who, due to their social network position, are responsible for more infections than others. However, the practical identification of these individuals using conventional network metrics is considerably challenging due to the lack of required data. A potential ...
In:
Journal of Artificial Societies and Social Simulation
28 (2025), 4, 9
| Marius Kaffai
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Objective: This study examines the relationship between men's and women's working-time flexibility and relationship dissolutions (cohabitating and married couples) in Germany. Background: Globalisation and technological advancements have popularised flexible working hours, necessitating a deeper understanding of their implications on family dynamics and relationship stability. Employee-oriented ...
Warschau:
University of Warsaw,
2025,
(Working Papers 28/2025 from Faculty of Economic Sciences, University of Warsaw)
| Anna Kałamucka, Anna Matysiak, Beata Osiewalska
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Intra-couple disparities in economic resources are often downplayed, yet they substantially affect power dynamics, marital satisfaction, and financial well-being during the marriage and have lasting economic consequences in the event of separation. With the growing privatization of old-age security amidst population aging and welfare cuts, understanding economic intra-couple disparities among retired ...
In:
European Societies
27 (2025), 2, 288–319
| Nicole Kapelle, Andreas P. Weiland
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Background Understanding the trajectories of health-related quality of life (HRQoL) across different age cohorts and sociodemographic factors is crucial for promoting healthy aging. This study aims to examine the course of physical and mental HRQoL over a 16-year period in a nationwide sample of the German population. Methods Data from the German Socio-Economic Panel spanning from 2002 to 2018 (N = 4111; ...
In:
Social Science & Medicine
366 (2025), 117718
| C. Kasinger, L. Kriechel, S. Hahm, A. Reinwarth, B. Strauss, M. Beutel, E. Brähler, L. Altweck
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The COVID-19 pandemic constituted a global stressor confronting people with various challenges. We aimed to explore mental well-being trajectories from before (2015–2019) and during the COVID-19 pandemic (2020–2021) and investigate the contribution of potentially protective factors to mental well-being response patterns. We analyzed data from the German Socio-Economic Panel (SOEP) and the collaborative ...
In:
Current Psychology
(2025),
| Corinna Kausmann, Niels Michalski, Caroline Cohrdes
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Although women’s educational achievement and human capital have increased, the wage gap persists both in Germany and Turkey. Also, there are many differences in terms of labor market policies for both countries. This study will discuss the current situation within the framework of various wage gap theories and estimate the relationship between an extensive range of human capital, and economic and social ...
In:
Sage Open
15 (2025), 3,
| Fazıl Kayıkçı, Daniel Meyer, Rui Alexandre Cstanho, Fatma Çoban Kayıkçı, Sema Yılmaz
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Sex and gender both affect health outcomes, often in complex ways that intertwine biological and social influences. While researchers have criticized the conflation of sex and gender in quantitative studies, it remains a challenge to analytically disentangle them. We investigated an approach to conceptualize sex and gender as interrelated constructs embedded within a specific social context and estimate ...
In:
Biology of Sex Differences
17 (2026), 1, 73
| Mascha Kern, Hans-Aloys Wischmann, Alex Müller, Tobias Kurth, Stefanie Theuring