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Birth weight and schooling and earnings: estimates from a sample of twins

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Authors
Miller, Paul
Mulvey, C.
Martin, N.
Date
2005
Type
Journal Article

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Miller, P. and Mulvey, C. and Martin, N. 2005. Birth weight and schooling and earnings: estimates from a sample of twins. Economics Letters. 86 (3): pp. 387-392.
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Economics Letters
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Abstract

Based on analysis of a sample of twins, this study suggests that birth weight is not related to levels of schooling, that it plays only a minor role in the determination of earnings, and that ability differences that are not removed in the within-twins model of earnings are not biasing the results in twins studies such as Ashenfelter and Krueger [Ashenfelter, O., Krueger, A., 1994. Estimates of the economic return to schooling from a new sample of twins, American Economic Review, 84(5) pp. 1157–1173].