Does fertility behavior spread among friends?
This paper investigates how social interactions among friends shape fertility. We specifically examine whether and how friends’ fertility behaviour affects an individual’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 individual’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 friend’s childbearing increases an individual’s risk of becoming a parent. We find a short-term, curvilinear effect: an individual’s risk of childbearing starts increasing after a friend’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.
- Bramoullé, Yann & Djebbari, Habiba & Fortin, Bernard, 2007. "Identification of Peer Effects through Social Networks," IZA Discussion Papers 2652, Institute for the Study of Labor (IZA).
- Yann Bramoullé & Habiba Djebbari & Bernard Fortin, 2007. "Identification of Peer Effects through Social Networks," Cahiers de recherche 0705, CIRPEE.
- 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.
- Belinda Diaz & Thomas Fent & Alexia Prskawetz & Laura Bernardi, 2011. "Transition to Parenthood: The Role of Social Interaction and Endogenous Networks," Demography, Springer, vol. 48(2), pages 559-579, May.
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