Migration and the epidemiological approach: Time and self-selection into foreign ancestries matter

Simone Bertoli, Melchior Clerc (), Jordan Loper and Èric Roca Fernández
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Melchior Clerc: CERDI - Centre d'Études et de Recherches sur le Développement International - IRD - Institut de Recherche pour le Développement - CNRS - Centre National de la Recherche Scientifique - UCA - Université Clermont Auvergne

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Abstract: The epidemiological approach in comparative development uses data on individuals of immigrant origin to study cultural persistence, the determinants of cultural norms, and the effects of genetic traits. A common assumption of this methodology is its susceptibility to attenuation bias. We challenge it by demonstrating how the increasing reliance on foreign ancestries to identify respondents' origins can introduce confounding biases. Specifically, self-selection in reporting foreign ancestry and unobserved variation in ancestral migration timing may lead to inflated estimates. We formalize these mechanisms through a theoretical framework and illustrate their empirical significance by reassessing key findings from influential studies by Fernández and Fogli (2006) and Giuliano and Nunn (2021).

Keywords: Comparative development; Migration; Ancestry; Culture; Identity choice (search for similar items in EconPapers)
Date: 2025-04-08
Note: View the original document on HAL open archive server: https://uca.hal.science/hal-05029204v1
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Published in Journal of Development Economics, 2025, pp.103505. ⟨10.1016/j.jdeveco.2025.103505⟩

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Related works:
Working Paper: Migration and the epidemiological approach: time and self-selection into foreign ancestries matter (2024)
Working Paper: Migration and the epidemiological approach: time and self-selection into foreign ancestries matter (2024)
Working Paper: Migration and the epidemiological approach: time and self-selection into foreign ancestries matter (2024)
Working Paper: Migration and the epidemiological approach: time and self-selection into foreign ancestries matter (2024)
Working Paper: Migration and the epidemiological approach: time and self-selection into foreign ancestries matter (2024)
Working Paper: Migration and the Epidemiological Approach: Time and Self-Selection into Foreign Ancestries Matter (2024)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-05029204

DOI: 10.1016/j.jdeveco.2025.103505

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