Does fertility behavior spread among friends?
This paper investigates how social interactions among friends shape fertility. We specifically examine whether and how friendsâˆšâ‰ fertility behaviour affects an individualâˆšâ‰ s transition to parenthood. By integrating insights from economic and sociological theories, we elaborate on the mechanisms via which interactions among friends might affect an individualâˆšâ‰ s risk of becoming a parent. By exploiting the survey design of the Add Health data, we follow a strategy that allows us to properly identify interaction effects and distinguish them from selection and contextual effects. We engage in a series of discrete time event history models with random effect at the dyadic level. Results show that, net of confounding effects, a friendâˆšâ‰ s childbearing increases an individualâˆšâ‰ s risk of becoming a parent. We find a short-term, curvilinear effect: an individualâˆšâ‰ s risk of childbearing starts increasing after a friendâˆšâ‰ s childbearing, it reaches its peak around two years later, and then decreases.
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- Bramoullé, Yann & Djebbari, Habiba & Fortin, Bernard, 2009.
"Identification of peer effects through social networks,"
Journal of Econometrics,
Elsevier, vol. 150(1), pages 41-55, May.
- Yann Bramoullé & Habiba Djebbari & Bernard Fortin, 2007. "Identification of Peer Effects through Social Networks," Cahiers de recherche 0705, CIRPEE.
- Bramoullé, Yann & Djebbari, Habiba & Fortin, Bernard, 7/03. "Identification of Peer Effects through Social Networks," IZA Discussion Papers 2652, Institute for the Study of Labor (IZA).
- Wilde, Joachim, 2000. "Identification of multiple equation probit models with endogenous dummy regressors," Economics Letters, Elsevier, vol. 69(3), pages 309-312, December.
- FFF1Francesco NNN1Billari, 2004. "Becoming an Adult in Europe: A Macro(/Micro)-Demographic Perspective," Demographic Research Special Collections, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 3(2), pages 15-44, April.
- Kohler, Hans-Peter, 2001. "Fertility and Social Interaction: An Economic Perspective," OUP Catalogue, Oxford University Press, number 9780199244591, December.
- Belinda Diaz & Thomas Fent & Alexia Prskawetz & Laura Bernardi, 2011. "Transition to Parenthood: The Role of Social Interaction and Endogenous Networks," Demography, Springer;Population Association of America (PAA), vol. 48(2), pages 559-579, May.
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