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We examine the additivity of stock-market expectations over different time intervals. When asked about a ten-year interval, survey respondents expect a stock-price change that is not equal to, but closer to zero than, the sum of their expectations over two shorter time intervals that cover the same ten years. Such sub-additivity is irrational in that it cannot stem from aggregating short-term expectations. ...
Berlin and Munich:
Collaborative Research Center Transregio 190,
2022,
(CRC TRR 190 Discussion paper 337)
| Peter Haan, Chen Sun, Uwe Sunde, Georg Weizsäcker
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Background: The aim of our study was to assess the personality-related and psychosocial correlates of sick leave days in Germany during the COVID-19 pandemic. Methods: We used data from a representative online-survey covering the general German adult population (data collection: mid-March 2022). We restricted our sample to full-time employed individuals aged 18 to 64 years (n = 1,342 individuals). ...
In:
Archives of Public Health
80 (2022), 1, 227
| André Hajek, Hans-Helmut König
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This study proposes a new measure of wage risk based on estimated probabilities to earn an hourly wage that is below some specific lower quantile of the wage distribution. Using the German SOEP as an information rich data base, we determine wage risks overall and for nine job categories during the period from 1992 until 2015. We find that the low-wage workers in Germany are worse off after the Hartz ...
In:
Social Indicators Research
164 (2022), 3, 1427-1462
| Helmut Herwartz, David Rodriguez-Justicia, Bernd Theilen
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In dieser Studie unterziehen wir die Ergebnisse einer Studie zum Einfluss der Arbeitszeit auf die Lebenszufriedenheit einer kritischen Überprüfung. Zunächst replizieren wir die Befunde der Ausgangsstudie, welche nahelegen, dass eine traditionelle Arbeitsteilung zwischen Müttern und Vätern deren Lebenszufriedenheit maximiert. Bei Lockerung parametrischer Annahmen, Kontrolle auf Konfundierung durch Elternschaft ...
In:
Zeitschrift für Soziologie
51 (2022), 3, 298-306
| Stefanie Heyne, Tobias Wolbring
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While inequality of opportunity (IOp) in earnings is well studied, the literature on IOp in individual net wealth is scarce to non-existent. This is problematic because both theoretical and empirical evidence show that the position in the wealth and income distribution can significantly diverge. We measure ex-ante IOp in net wealth for Germany using data from the Socio-Economic Panel (SOEP). Ex-ante ...
Bonn:
Institute of Labor Economics (IZA),
2023,
(IZA DP No. 16488)
| Daniel Graeber, Viola Hilbert, Johannes König
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Sociological research is increasingly using panel data to examine changes in diverse outcomes over life course events. Most of these studies have one striking similarity: they analyse changes between yearly time intervals. In this paper, we present a simple but effective method to model such trajectories more precisely using available data. The approach exploits month-specific information regarding ...
In:
Sociological Science
10 (2023), 830-856
| Ansgar Hudde, Marita Jacob
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Background: The present study aims to delineate the role of preexisting depression for changes in common mental health problems during the COVID-19 pandemic. Methods: Using mixed-effects linear regression models, we analyzed data on the course of depressive (Patient Health Questionnaire-2) and anxiety (Generalized Anxiety Disorder-2) symptoms as well as loneliness (three-item UCLA Loneliness Scale) ...
In:
European Psychiatry
65 (2022), 1, e76
| Christoph Benke, Eva Asselmann, Theresa M. Entringer, Christiane A. Pané-Farré
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Based on panel data from the German Socio-Economic Panel (SOEP) for the years 1998 to 2018, we investigate the association between paternal childcare and parental economic well-being after separation in Germany. Referring to the post-separation year, we explore a sample of 176 separated couples with resident mothers and nonresident fathers, where fathers differ in their childcare involvement during ...
In:
Journal of Family and Economic Issues
44 (2023), 4, 836-853
| Christina Boll, Simone Schüller
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Umweltzonen verringern die lokale Luftverschmutzung, indem sie emissionsintensive Fahrzeuge von der Zufahrt zu den ausgewiesenen Gebieten abhalten und nachweislich die Gesundheit der Bevölkerung verbessern. Über die Auswirkungen von Fahrverboten auf andere Lebensbereiche ist wenig bekannt. Dieses Papier untersucht die Auswirkungen von Umweltzonen auf die schulischen Leistungen von Grundschülern in ...
Essen:
Leibniz-Institut für Wirtschaftsforschung (RWI),
2022,
(Ruhr Economic Papers #980)
| Johannes Brehm, Nico Pestel, Sandra Schaffner, Laura Schmitz
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This study explores how researchers’ analytical choices affect the reliability of scientific findings. Most discussions of reliability problems in science focus on systematic biases. We broaden the lens to emphasize the idiosyncrasy of conscious and unconscious decisions that researchers make during data analysis. We coordinated 161 researchers in 73 research teams and observed their research decisions ...
In:
Proceedings of the National Academy of Sciences
119 (2022), 44, e2203150119
| Nate Breznau, Eike Mark Rinke, Alexander Wuttke, Hung H. V. Nguyen, Muna Adem, et al.