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Isphording, Ingo E.; Piopiunik, Marc; Rodríguez-Planas, Núria (2016): Speaking in numbers: The effect of reading performance on math performance among immigrants. In: Economics Letters, Vol. 139: pp. 52-56
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This paper is the first to estimate a causal effect of immigrant students' reading performance on their math performance. To overcome endogeneity issues due to unobserved ability, we apply an IV approach exploiting variation in age-at-arrival and the linguistic distance between origin and destination country languages. Using four PISA waves, we find a strong influence of reading performance on math performance, highlighting the importance of early language support for immigrants for their educational career. (C) 2015 Elsevier B.V. All rights reserved.