In this paper we analyse with the PISA data on literacy achievement of fifteen-year-old pupils in six member countries of the OECD, whether the fact of having many siblings affects the individual educational outcome. The hypothesis that we test is whether parents? resources matter for...

In this paper we analyse the sibling size and birth-order effect on educational achievement in Switzerland on the basis of PISA data. We find an overall modest size and birth-order effect. The sibling size effect, however, is a product of a substantial and significant negative size effect for...