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BiB.Working Paper

BiB.Working Paper make results and findings available to the scientific public as soon as possible. The series contains articles from the Federal Institute for Population Research (BiB) and papers which have been issued in cooperation with other research institutes as well as external researchers.

The series is subject to a limited internal review process. Thus, the contents do not necessarily represent the position of the BiB, but rather the opinions of the authors. The working papers are written in English or German and are published only electronically at irregular intervals.

Published by: Federal Institute for Population Research (BiB)
Editor depending on topic: Prof. Dr. Martin Bujard, Dr. Sebastian Klüsener, Prof. Dr. Katharina Spieß
ISSN: 2196-9574

Latest Issues

Search results 1 to 10 from a total of 60

4/2025How do modes of data collection affect the measurement of demographic key indicators?

Lück, Detlev; Schumann, Almut; Emery, Tom; Lugtig, Peter; Bujard, Martin; Naderi, Robert; Toepoel, Vera; Cabaço, Susana

This paper analyses the consequences of the shift from CAPI to CAWI for the comparability of survey-based measurements of demographic key indicators. more: How do modes of data collection affect the measurement of demographic key indicators? …

Cover BiB.Working Paper 4/2025: How do modes of data collection affect the measurement of demographic key indicators? (refer to: How do modes of data collection affect the measurement of demographic key indicators?)

3/2025Efficacy of delivery models in early intervention: Findings from Germany’s Nurse-Family Partnership on family and child welfare services and pediatric medical incidents in high-risk families

Conti, Gabriella; Sandner, Malte; Brand, Tilman; Kliem, Sören

This study evaluates the effectiveness of two delivery models of the ProKind intervention—a German adaptation of the Nurse-Family Partnership (NFP)—in supporting high-risk families. more: Efficacy of delivery models in early intervention: Findings from Germany’s Nurse-Family Partnership on family and child welfare services and pediatric medical incidents in high-risk families …

Cover BiB.Working Paper 3/2025 "Efficacy of delivery models in early intervention: intervention: Findings from Germany’s Nurse-Family Partnership on family and child welfare services and pediatric medical incidents in high-risk families" (refer to: Efficacy of delivery models in early intervention: Findings from Germany’s Nurse-Family Partnership on family and child welfare services and pediatric medical incidents in high-risk families)

2/2025Intended, ideal, and actual fertility in 11 European countries. Evidence on fertility gaps in different age groups from the Generations and Gender Survey

Friedrich, Carmen; Bujard, Martin

Mit aktuellen Daten (2020-2023) des Generations and Gender Survey für elf europäische Ländern haben wir altersspezifische Fertilitätslücken und den Einfluss soziodemografischer Faktoren auf diese Lücken im Verlauf der reproduktiven Lebensphase untersucht. Die Studie liefert aktuelle Einblicke in Fertilitätsverhalten und -trends in Ländern mit niedriger Geburtenrate – insbesondere vor dem Hintergrund zunehmender Unsicherheiten in Zeiten multipler Krisen wie COVID-19, dem Krieg in der Ukraine, Inflation und Klimawandel. more: Intended, ideal, and actual fertility in 11 European countries. Evidence on fertility gaps in different age groups from the Generations and Gender Survey …

Cover BiB.Working Paper 2/2025 "Intended, ideal, and actual fertility in 11 European countries. Evidence on fertility gaps in different age groups from the Generations and Gender Survey" (refer to: Intended, ideal, and actual fertility in 11 European countries. Evidence on fertility gaps in different age groups from the Generations and Gender Survey)

1/2025Did you serve? New evidence on the causal effect of conscription on wage in Germany

Daelen, Anna L. M.

Using German administrative data, I identify the causal effect of conscription on men’s early career wage. more: Did you serve? New evidence on the causal effect of conscription on wage in Germany …

Cover BiB.Working Paper 1/2025 "Did you serve? New evidence on the causal effect of conscription on wage in Germany" (refer to: Did you serve? New evidence on the causal effect of conscription on wage in Germany)

12/2024Baby bumps and abortion drop:unpacking fertility trends during COVID-19 in Germany

Bujard, Martin; Huebener, Mathias

Our study draws a nuanced picture of how the COVID-19 health crisis affected reproductive health outcomes. more: Baby bumps and abortion drop:unpacking fertility trends during COVID-19 in Germany …

Cover Working Paper 12/2024 "Baby bumps and abortion drop: Unpacking fertility trends during COVID-19 in Germany" (refer to: Baby bumps and abortion drop:unpacking fertility trends during COVID-19 in Germany)

11/2024Caring dads? Universal childcare paternity leave and fathers involvement

Huebener, Mathias; Mahlbacher, Malin K.; Schmitz, Sophia

This paper examines the impact of the combined availability of universal childcare and paternity leave on fathers’ involvement during the early years of childhood. more: Caring dads? Universal childcare paternity leave and fathers involvement …

Cover Working Paper 11/2024 "Caring-dads-Universal-childcare-paternity-leave-and-fathers-involvement" (refer to: Caring dads? Universal childcare paternity leave and fathers involvement)

10/2024The rollercoaster of subjective wellbeing in times of multiple crises: Evidence of five waves of bi-annual Panel data of FReDA survey

Kriechel, Lisa; Bujard, Martin; Hudde, Ansgar

Based on the first five waves of the bi-annual (and once tri-annual) large-scale panel FReDA, we show the trend of life satisfaction over 16 time points between April 2021 and January 2023. In addition, we conduct fixed effects and random effects for five subwaves. Results reveal a mostly increasing level of life satisfaction, with setbacks during times of COVID-19 and the Ukraine war. more: The rollercoaster of subjective wellbeing in times of multiple crises: Evidence of five waves of bi-annual Panel data of FReDA survey …

Cover Working Paper 10/2024: The rollercoaster of subjective well-being in times of multiple crises: Evidence of five waves of bi-annual panel data of FReDA survey" (refer to: The rollercoaster of subjective wellbeing in times of multiple crises: Evidence of five waves of bi-annual Panel data of FReDA survey)

9/2024Stratified adaptation? Education and fertility patterns of the descendants of immigrants in Germany

Krapf, Sandra; Milewski, Nadja; Bujard, Martin

This study investigates how educational differences are associated with the fertility of the descendants of immigrants. more: Stratified adaptation? Education and fertility patterns of the descendants of immigrants in Germany …

Cover Working Paper 9/2024 "Stratified adaptation? Education and fertility patterns of the descendants of immigrants in Germany" (refer to: Stratified adaptation? Education and fertility patterns of the descendants of immigrants in Germany)

8/2024Unlocking potential: Childcare services and refugees’ integration, employment and well-being

Gambaro, Ludovica; Huebener, Mathias; Schmitz, Sophia; Spiess, C. Katharina

Our findings emphasize the importance of providing childcare services to refugee mothers to facilitate their integration. more: Unlocking potential: Childcare services and refugees’ integration, employment and well-being …

Cover Working Paper 8/2024 "Unlocking potential: Childcare services and refugees’ integration, employment and well-being" (refer to: Unlocking potential: Childcare services and refugees’ integration, employment and well-being)

7/2024Passport to progress: The effects of birthright citizenship on siblings’ education

Ziege, Elena

To provide a more thorough account of the total benefits of citizenship, the study examines not only the direct effects on immigrant children but also spillover effects on their older siblings. more: Passport to progress: The effects of birthright citizenship on siblings’ education …

Cover Working Paper 7/2024 "Passport to progress: The effects of birthright citizenship on siblings’ education" (refer to: Passport to progress: The effects of birthright citizenship on siblings’ education)