Linking Neighbors’ Fertility: Third Births in Norwegian Neighborhoods

Geographical variations in fertility and the diffusion of fertility across space and social networks are central topics in demographic research. Less is known, however, about the role of neighborhoods and neighbors with regard to geographical variations in fertility. This paper investigates spatial...

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Main Author: Janna Bergsvik
Format: Article
Language:English
Published: Federal Institute for Population Research 2020-10-01
Series:Comparative Population Studies
Subjects:
Online Access:https://www.comparativepopulationstudies.de/index.php/CPoS/article/view/339
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author Janna Bergsvik
author_facet Janna Bergsvik
author_sort Janna Bergsvik
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description Geographical variations in fertility and the diffusion of fertility across space and social networks are central topics in demographic research. Less is known, however, about the role of neighborhoods and neighbors with regard to geographical variations in fertility. This paper investigates spatial variations in family size by analyzing third births in a neighborhood context. Using unique geo-data on neighbors and neighborhoods, this paper introduces a new geographical dimension of fertility variation and contributes to our understanding of geographical variations in fertility. Flexible, ego-centered neighborhoods are constructed using longitudinal geo-data taken from administrative registers (2000-2014). Data on inhabitants’ residential address, their housing, family situation and fixed effects for statistical tracts are used to account for sorting into housing and urban versus rural districts. The analysis shows that the likelihood of two-child couples having another child increases with the share of families in the neighborhood that have three or more children. This relationship remains unchanged, even after controlling for the sociodemographic characteristics of couples, the educational level attained by neighboring women as well as time-constant characteristics of neighborhoods. Results are consistent across various neighborhood definitions ranging from the 12 to the 500 nearest neighbors. However, the association between neighbors’ fertility becomes stronger as the number of neighbors increases, suggesting that selective residential sorting is an important driver. Consequently, this study indicates that transitions to third birth may be linked to social interaction effects among neighbors, in addition to well-known processes of selective residential sorting.
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spelling doaj.art-978de348872b49f79ff83c6e3ad65e0d2022-12-21T22:52:45ZengFederal Institute for Population ResearchComparative Population Studies1869-89801869-89992020-10-014510.12765/CPoS-2020-21339Linking Neighbors’ Fertility: Third Births in Norwegian NeighborhoodsJanna Bergsvik0https://orcid.org/0000-0001-7924-1533Research Department, Statistics NorwayGeographical variations in fertility and the diffusion of fertility across space and social networks are central topics in demographic research. Less is known, however, about the role of neighborhoods and neighbors with regard to geographical variations in fertility. This paper investigates spatial variations in family size by analyzing third births in a neighborhood context. Using unique geo-data on neighbors and neighborhoods, this paper introduces a new geographical dimension of fertility variation and contributes to our understanding of geographical variations in fertility. Flexible, ego-centered neighborhoods are constructed using longitudinal geo-data taken from administrative registers (2000-2014). Data on inhabitants’ residential address, their housing, family situation and fixed effects for statistical tracts are used to account for sorting into housing and urban versus rural districts. The analysis shows that the likelihood of two-child couples having another child increases with the share of families in the neighborhood that have three or more children. This relationship remains unchanged, even after controlling for the sociodemographic characteristics of couples, the educational level attained by neighboring women as well as time-constant characteristics of neighborhoods. Results are consistent across various neighborhood definitions ranging from the 12 to the 500 nearest neighbors. However, the association between neighbors’ fertility becomes stronger as the number of neighbors increases, suggesting that selective residential sorting is an important driver. Consequently, this study indicates that transitions to third birth may be linked to social interaction effects among neighbors, in addition to well-known processes of selective residential sorting.https://www.comparativepopulationstudies.de/index.php/CPoS/article/view/339spatial fertilityk-nearest neighborsfertility diffusionfamily sizethird births
spellingShingle Janna Bergsvik
Linking Neighbors’ Fertility: Third Births in Norwegian Neighborhoods
Comparative Population Studies
spatial fertility
k-nearest neighbors
fertility diffusion
family size
third births
title Linking Neighbors’ Fertility: Third Births in Norwegian Neighborhoods
title_full Linking Neighbors’ Fertility: Third Births in Norwegian Neighborhoods
title_fullStr Linking Neighbors’ Fertility: Third Births in Norwegian Neighborhoods
title_full_unstemmed Linking Neighbors’ Fertility: Third Births in Norwegian Neighborhoods
title_short Linking Neighbors’ Fertility: Third Births in Norwegian Neighborhoods
title_sort linking neighbors fertility third births in norwegian neighborhoods
topic spatial fertility
k-nearest neighbors
fertility diffusion
family size
third births
url https://www.comparativepopulationstudies.de/index.php/CPoS/article/view/339
work_keys_str_mv AT jannabergsvik linkingneighborsfertilitythirdbirthsinnorwegianneighborhoods