Abstract
The occurrence of twin births has been widely used as a natural experiment. With a focus upon the use of twin births for identification of causal effects in economics, this chapter provides a critical review of methods and results.
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Acknowledgments
The chapter has benefited from valuable comments of the editors and anonymous referees. We thank Cristina Persico Blanco and Enzo Faulbaum Solari for their outstanding research assistance. Sonia acknowledges part funding for her research time from Warwick University. Damian acknowledges financial support from the Millennium Science Initiative (Millennium Institute for Market Imperfections and Public Policy). There is no conflict of interest.
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Bhalotra, S., Clarke, D. (2023). Analysis of Twins. In: Zimmermann, K.F. (eds) Handbook of Labor, Human Resources and Population Economics. Springer, Cham. https://doi.org/10.1007/978-3-319-57365-6_288-1
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